US3097642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face mask
Assignee: Individual
•
Filing: 1956-08-21
•
Granted: 1963-07-16
•
Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Allan M Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:07
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/20; A61M16/208; A62; A62B; A62B18/00; A61M16/0045; A61M16/0057; A61M16/0078; A61M2202/00; A61M2202/02; A61M2202/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR THE ADMINISTRATION OF GASEOUS FLUIDS, COMPRISING A MASK ADAPTED TO ENCLOSED THE ORAL AND NASAL PASSAGES AND FORMED OF SOFT, PLIABLE MATERIAL, SAID MASK BEING PROVIDED WITH A THIN FLEXIBLE FACE ENGAGING FLANGE OF SUBSTANTIAL BREATH AND MEANS COMPRISING A WIRE LOOP EMBEDDED IN SAID MASK HAVING A LEAST A PORTION THEREOF EXTENDING TO AN INTERMEDIATE AREA OF THE MASK ADJACENT THE ORAL AND NASAL PASSAGES FOR ADJUSTABLY CONFORMING THE MASK IN THE AREAS OF THE ORAL AND NASAL PASSAGES TO INSURE ITS ENGAGEMENT WITH THE FACE, A PLURALITY OF TURRETS IN SAID MASK IN THE AREA OF THE NASAL AND ORAL PASSAGES, EACH OF SAID TURRETS BEING PROVIDED WITH AN OPENING, STIFFENING MEANS IN SAID TURRET OPENINGS, A CHECK VALVE IN AT LEAST
Claim 2
Dependent Claim
126 words
APPARATUS FOR THE ADMINISTRATION OF GASEOUS FLUIDS, COMPRISING A MASK ADAPTED TO ENCLOSED THE ORAL AND NASAL PASSAGES AND FORMED OF SOFT, PLIABLE MATERIAL, SAID MASK BEING PROVIDED WITH A THIN FLEXIBLE FACE ENGAGING FLANGE OF SUBSTANTIAL BREATH AND MEANS COMPRISING A WIRE LOOP EMBEDDED IN SAID MASK HAVING A LEAST A PORTION THEREOF EXTENDING TO AN INTERMEDIATE AREA OF THE MASK ADJACENT THE ORAL AND NASAL PASSAGES FOR ADJUSTABLY CONFORMING THE MASK IN THE AREAS OF THE ORAL AND NASAL PASSAGES TO INSURE ITS ENGAGEMENT WITH THE FACE, A PLURALITY OF TURRETS IN SAID MASK IN THE AREA OF THE NASAL AND ORAL PASSAGES, EACH OF SAID TURRETS BEING PROVIDED WITH AN OPENING, STIFFENING MEANS IN SAID TURRET OPENINGS, A CHECK VALVE IN AT LEAST
References Cited (Backward Citations)
US7476A
Cited
FR785744A
Cited
AT158748B
Cited
US2348277A
Cited
US2327995A
Cited
US2416411A
Cited
US2344920A
Cited
US2567225A
Cited
US2652828A
Cited
US2788001A
Cited
US2875757A
Cited
US2785674A
Cited
US2843119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |