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Title: US4974605: Facial prophylactic
[ Derwent Title ]

Country:
Kind:		 US United States of America
A PATENT [FROM BEGIN UNTIL END 2000] or PATENT ISSUED AFTER 1ST PUB. WITHIN THE TVPP i

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Inventor: ESQUEDA RICARDO J; United States of America

Assignee: ESQUEDA RICARDO J United States of America
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Published / Filed: 1990-12-04 / 1989-12-22

Application Number: US1989000455295
IPC Code: Advanced: A61F 6/04; A61F 13/15;

ECLA Code: A61F6/04; K61F6/04A1; K61F13/15A13A;

U.S. Class: 128/857; 128/206.21; 128/918; 128/858; 128/859;

Priority Number:
1989-12-22  US1989000455295
1987-03-10  US1987000024017

Abstract:     A soft and pliable mask for the lower face for the prevention of disease, comprised of a molded mask and straps or bands to hold it in place. Breathing passages are provided. A cavity at the bottom fits around the chin and the top edge may be thicker, or reinforced, to provide close adhesion around the nose.

Maintenance Status: E2 Expired  Check current status

INPADOC Legal Status:
Gazette date Code   Description (remarks)     List all possible codes for US
1999-02-16 FP - Expired due to failure to pay maintenance fee   ( 1998-12-04 )
1998-12-06 LAPS - Lapse for failure to pay maintenance fees  
1998-06-30 REMI Maintenance fee reminder mailed  
1994-05-23 FPAY + Fee payment  


Parent Case:     This a continuation of copending application(s) Ser. No. 07/024,017 filed on 3/10/87 now abandoned.

       
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PDF		PublicationPub. DateFiled   Assignee   Title
Buy PDF - 4pp US4974605 1990-12-04  1989-12-22    Facial prophylactic
  1 family members shown above     - Based on data when this patent issued.


Forward References: Show 16 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (16)   |   Backward references (0)   |   Citation Link

       
Other Abstract Info: None
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