 |
|
|
|
|
|
 Title: |
US4974605:
Facial prophylactic
[ Derwent Title ]
|
| Country: |
US United States of America
|
| |
| Inventor: |
Esqueda, Ricardo J.; Milwaukee, WI 53202
|
| Assignee: |
None
|
| Published / Filed: |
1990-12-04
/ 1989-12-22
|
| Application Number: |
US1989000455295
|
| IPC Code: |
Advanced:
A61F 6/04;
A61F 13/15;
IPC-7:
A61F 13/12;
|
| ECLA Code: |
A61F6/04; K61F6/04A1; K61F13/15A13A;
|
| U.S. Class: |
Current:
128/857;
128/206.21;
128/858;
128/859;
128/918;
D24/105;
D24/110.1;
Original:
128/857;
128/206.21;
128/918;
128/858;
128/859;
|
| Field of Search: |
128/206.21,206.28,857-859,917,918,830,842,844,846
002/206
D29/7;8
119/129,130
446/027
|
| 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.
|
| Attorney, Agent or Firm: |
Gulbrandsen, Carl E. ;
|
| Primary / Asst. Examiners: |
Hafer, Robert A.; Rooney, Kevin G.
|
| Maintenance Status: |
E2 Expired Check current status
|
| INPADOC Legal Status: |
Show legal status actions
|
|
