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Title: US5765556: Disposable aerosol mask with face shield
[ Derwent Title ]


Country: US United States of America

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14 pages

 
Inventor: Brunson, Kevin K.; Argyle, TX

Assignee: Tecnol Medical Products, Inc., N. Richland, TX
other patents from TECNOL MEDICAL PRODUCTS, INC. (683343) (approx. 39)
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Published / Filed: 1998-06-16 / 1995-07-17

Application Number: US1995000491137

IPC Code: Advanced: A41D 13/11;
Core: A41D 13/05;
IPC-7: A62B 7/50;

ECLA Code: A41D13/11B2; A41D13/11B4; A41D13/11D;

U.S. Class: Current: 128/206.19; 128/206.24; 128/206.25; 128/206.28; 128/207.11;
Original: 128/206.19; 128/206.24; 128/206.25; 128/206.28; 128/207.11;

Field of Search: 128/206.21,206.22,206.23,206.24,206.27,206.28,207.11,205.25,205.27,205.29,206.12,206.14,206.18,206.19,206.25 604/317,384

Priority Number:
1995-07-17  US1995000491137
1993-12-15  US1993000168090
1992-12-16  US1992000991154

Abstract: A disposable mask that includes a filter body capable of filtering particles of a size appropriate for its purposes, while providing excellent breathability. An optically clear visor may be attached to opposite ends of the filter body to protect a wearer's eyes and face from liquid splash or spray. The filter body is formed from multiple layers of filtration material having the general configuration of a trapezoid. A darkened strip of material may be disposed on the exterior of the filter body adjacent to the visor to reduce glare and reflections by the visor. The mask is secured by straps to the head of a wearer. The straps are arranged to be approximately coextensive with a line extending from the edges which define the opening of the mask so that the edges are pulled into tight sealing engagement with the face of the wearer.

Attorney, Agent or Firm: Dority & Manning ;

Primary / Asst. Examiners: Lewis, Aaron J.; Srivastarva, Virendra

Maintenance Status: E3 Expired  Check current status
CC Certificate of Correction issued

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US1993000168090 1993-12-15       
US1992000991154 1992-12-16    1994-06-21  Disposable aerosol mask


       
Parent Case:

RELATED APPLICATIONS
    This application is a Continuation application in lieu of patent application Ser. No. 08/168,090 filed Dec. 15, 1993, entitled Disposable Aerosol Mask with Face Shield, now abandoned, which is a Continuation-in-Part application related to patent application Ser. No. 07/991,154 filed Dec. 16, 1992 by Kevin K. Brunson, entitled Disposable Aerosol Mask, same assignee, now U.S. Pat. No. 5,322,061 dated Jun. 21, 1994; reexamination is currently pending for U.S. Pat. No. 5,322,061.

Designated Country: BE CH FR GB IE IT LI LU MC NL PT SE 

Family: Show 73 known family members

First Claim:
Show all 24 claims
What is claimed is:     1. A disposable mask comprising:
  • a filter body having an opening sized to cover the nose and mouth of a wearer, said body having top and bottom edges with said top edge arranged to extend across the nose of said wearer and said bottom edge arranged to extend under the chin of said wearer;
  • said top edge having a respective first end and a respective second end opposite from each other and said bottom edge having a respective first end and a respective second end opposite from each other;
  • first securing means attached to said body adjacent to each end of said top edge and arranged to extend generally about the back of the head of said wearer in an approximate linear continuation from said top edge, said first securing means urging said top edge into tight engagement with said wearer to prevent fluid flow between said top edge and said wearer;
  • second securing means attached to said body adjacent to each end of said bottom edge and arranged to extend generally over the top of the head of said wearer in an approximate linear continuation from said bottom edge, said second securing means urging said bottom edge into tight engagement with said wearer to prevent fluid flow between said bottom edge and said wearer;
  • said first securing means and said second securing means, each having a respective first end and a respective second end;
  • said respective first ends of said first securing means and said second securing means disposed between said respective first ends of said top edge and said bottom edge;
  • said respective second ends of said first securing means and said second securing means disposed between said respective second ends of said top edge and said bottom edge; and
  • a visor dimensioned to cover the eyes of said wearer and attached to said filter body proximate said opposite ends of said top edge.


Background / Summary: Show background / summary

Drawing Descriptions: Show drawing descriptions

Description: Show description

Forward References: Show 23 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (23)   |   Backward references (78)   |   Citation Link

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PDF
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Get PDF - 12pp US4807619  1989-02 Dyrud et al.  Minnesota Mining and Manufacturing Company Resilient shape-retaining fibrous filtration face mask
Get PDF - 8pp US4827924  1989-05 Japuntich  Minnesota Mining and Manufacturing Company High efficiency respirator
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Get PDF - 8pp US4883052  1989-11 Weiss et al.  Helsa-Werke Helmut Sandler GmbH & Co. KG Protective breathing mask
Get PDF - 7pp US4920960  1990-05 Hubbard et al.  Tecnol, Inc. Body fluids barrier mask
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Get PDF - 5pp US4944294  1990-07 Borek, Jr.   Face mask with integral anti-glare, anti-fog eye shield
Get PDF - 7pp US4945574  1990-08 Dagher  DHL Research and Development Corporation Protective mask
Get PDF - 6pp US4966140  1990-10 Herzberg  Renate Dunsch-Herzberg Protective facial mask
Get PDF - 6pp US4969457  1990-11 Hubbard et al.  Tecnol, Inc. Body fluids barrier mask
Get PDF - 8pp US5003631  1991-04 Itoh  Northrop Corporation Flight helmet with headset
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Get PDF - 6pp US5107547  1992-04 Scheu  Baxter International Inc. Adjustable medical face mask fastener
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Get PDF - 18pp US5322061  1994-06 Brunson  Tecnol Medical Products, Inc. Disposable aerosol mask
Get PDF - 8pp US5368021  1994-11 Beard et al.  Criticare Systems, Inc. System for handling and monitoring respiratory waste streams
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  * some details unavailable
       
Foreign References:
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PDF
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  AU5033179 1981-07       
Buy PDF CA1085259 1978-06  A61M 16/00 GRIMES, JERRY L. GAS DELIVERY FACE SHIELD 
Get PDF - 10pp EP0355444 1989-07  A41D 13/00 Herzberg, Wolfgang, Dr.med. Face mask 
Get PDF - 10pp EP0391726 1990-10  B19D 39/14 JOHNSON & JOHNSON MEDICAL Improved filtration medium and face mask containing the same 
Get PDF - 14pp EP0515986 1992-12  A41D 13/00 BETTER BREATHING, Inc. Breathing mask 
Get PDF - 15pp EP0606686 1994-07  A41D 13/00 TECNOL MEDICAL PRODUCTS, INC. Disposable aerosol mask 
Buy PDF FR0867791 1941-07  D03D 15/08   Perfectionnements aux procédés de tissage et produits nouveaux en résultant 
Buy PDF FR2471792 1979-07  A41D 13/05 AIRFIL PROCEDE DE FABRICATION DE MASQUES ANTI-POUSSIERES ET/OU ANTI-VAPEURS NOTAMMENT, A PARTIR D'AU MOINS UNE FEUILLE EN MATIERE FILTRANTE ET LES MASQUES AINSI OBTENUS 
Buy PDF DE0655814 1938-09  A61B 19/00 MALWIN FEILER DR Vorrichtung zum Schuetzen von AErzten, Patienten, Pflegepersonal u. dgl. gegen UEbertragung infektioeser Erkrankungen 
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Buy PDF DE7706660 1977-01  B24B 41/00 FA. C.H. WILHELM WASSERMANN, 2050 HAMBURG SCHLEIF- UND POLIERMOTOR 
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  GB0967455 1960-04       
  GB0892262 1962-06       
  GB1049604 1964-09       
Buy PDF GB1433504 1973-06  A41D 13/05 DUPRE J-P M FACE MASK AND PROCESS FOR MANUFACTURING A FACE MASK 
Buy PDF GB1473924 1974-04  A41D 13/05 JOHNSON JOHNSON SURGICAL FACE MASK 
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Buy PDF- 6pp GB2059782 1980-03  A41D 13/05 DRAGERWERK AG BREATHING HALF-MASK FOR ONCE ONLY USE 
Buy PDF- 3pp GB2028664 1980-03  A41D 13/05 SEPLAST DOUBLE-WALLED FILTER MASK 
Buy PDF- 5pp GB2072516 1980-03  A41D 13/05 SIEBE GORMAN & CO LTD RESPIRATORY FACE MASKS 
Buy PDF- 10pp GB2103491 1983-06  A62B 7/10 * AMERICAN OPTICAL CORPORATION DISPOSABLE RESPIRATOR 
Get PDF - 17pp WO7900118 1979-01  B62D 33/063 BROBERG P TRACTOR 
Get PDF - 19pp WO8103266 1981-03  A41D 13/00 COATES D DISPOSABLE SURGICAL FACE MASK AND METHOD OF PRODUCING IT 
Get PDF - 13pp WO8601734 1986-03  A62B 18/08 MINNESOTA MINING & MFG RESPIRATOR HARNESS ASSEMBLY 
Get PDF - 12pp WO8900874 1989-02  A62B 12/02 SOEDERBERG STIG RESPIRATORY MASK 
Get PDF - 18pp WO8910106 1989-11  A61F 9/04 RUSSELL JOHN PATRICK FACE PROTECTOR 
Get PDF - 22pp WO9108829 1991-06  B01D 71/36 GORE & ASS NEW FILTER MEDIA FOR USE IN SURGICAL AND CLEAN ROOM MASKS 
  AUB0050331 1981-01       


Other Abstract Info: CHEMABS 123(18)232202D DERABS C1995-216837 DERABS G1994-199172

Other References:
  • U.S. Patent Application 08/278930, filed Jul. 20, 1994, and entitled, Face Mask and Enhanced Seal and Method.
  • U.S. Patent Application 08/499063, filed Jul. 6, 1995, and entitled, Face Mask With Enhanced Fluid Barrier.
  • The Mask Collection by Tecnol; Reprinted from AORN Journal, 1987.
  • R1050 AO Safety Products Brochure, Dust Demon Foldable, Reusable/Diposable Respirator, dated 1989.
  • Glendale Brochure, DUSTBUSTER Comfort Plus Full Dist and Mist Protection, 7/92/10M.
  • Tecnol FLUIDSHIELD Brochure, "The First Mask Specifically Designed to Resist Fluid Penetration".
  • Tecnol FLUIDSHIELD Brochure, "The Only Masks with Loncet Breathable Film . . . Your Extra Layer of Protection from Body Fluids", dated 1992.
  • W.T. Davis, "Filtration Efficiency of Surgical Face Masks: The Need for More Meaningful Standards," American Journal of Infection Control., pp. 16-18, dated Feb. 1991. (3 pages) Cited by 3 patents [ISI abstract]
  • "DELTA Disposable Respirators" Racal Health & Safety, 1993, (4 pages).
  • Annotated Figure 2.
  • European Search Report (Notification, 1 page dated May 5, 1995; Communication dated Apr. 27, 1995, 4 pages total).
  • EPO correspondence to Uexkull & Stolberg, re: European search report, dated Apr. 27, 1995, Application No. EP 94 25 0231, 5 pages.
  • AIPO correspondence to F. B. Rice & Co. dated Jul. 12, 1995 citing Austrialian Patent No. AU 50331/79, 4 pages.
  • Tecnol, The Aorn Journal, The Mask Collection, 1987, 4 pages.
  • Glendale Protective Technologies, Inc., Glendale Dustbuster, Jul. 1992, 1 page.
  • AO Safety Products, R1050 Dust Demon Foldable, Reusable/Disposable Respirator, undated, 2-sided/2 pages.
  • Tecnol, FluidShield Surgical Masks featrung SplashGuard Visors, Nov. 1992, 1 page/2-sided.
  • Wayne T. Davis, Ph.D., American Journal of Infection Control, Filtration effciency of surgical face masks: The need for more meaningful standards, undated, 3 pages.
  • Tecnol, FluidShield, undated, 6 pages.
  • Racal Health & Safety, Inc., Delta Disposable Respirators, 1993, 4 pages.
  • Annotation Fig. 2, undated, 1 page.
  • United States Patent Application No. 08/374,321 filed Jan. 18, 1995 entitled Face Mask with Enhanced Facial Seal, pending.
  • United States Patent Application No. 08/374,300 filed Dec. 12, 1995 entitled Face Mask with Enhanced Seal and Method, pending.


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