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 Title: |
US4323063:
Medical face mask
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Fisichella, Jeanne M.; Gainesville, FL 32608
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| Assignee: |
None
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| Published / Filed: |
1982-04-06
/ 1980-04-21
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| Application Number: |
US1980000142034
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| IPC Code: |
Advanced:
A41D 13/11;
Core:
A41D 13/05;
IPC-7:
A61B 19/00;
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| ECLA Code: |
A41D13/11B8B; A41D13/11D;
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| U.S. Class: |
Current:
128/863;
128/206.12;
Original:
128/139;
128/206.12;
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| Field of Search: |
128/139,206.12,206.19
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| Priority Number: |
| 1980-04-21 |
US1980000142034 |
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| Abstract: |
A medical face mask having the central portion of the mask made of a transparent material, providing a view of the wearer's mouth.
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| Attorney, Agent or Firm: |
Yeager, Arthur G. ;
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| Primary / Asst. Examiners: |
Yasko, John D.;
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| Family: |
None
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First Claim:
Show all 3 claims |
What is claimed as new and what is desired to secure by Letters Patent of the United States is:
1. A medical face mask comprising a head strap and mask to fit over the nose, mouth, and chin of the wearer and to conform at its edges reasonably closely to the face and neck of the wearer, the central portion of said mask adjacent the nose and mouth of the wearer being transparent to provide a view therethrough of the mouth of the wearer and being air-impermeable to inhibit air, moisture and bacteria from passing therethrough, and the remaining annular portion surrounding said central portion of said mask being made of air-permeable, bacteria-filtering material to permit breathing by the wearer said annular portion being connected to and along and terminating adjacent to the outer edge portions of said central portion.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
Show drawing descriptions
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| Description: |
Show description
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| Forward References: |
Show 33 U.S. patent(s) that reference this one
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