US3077880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mask harness
Assignee: Individual
•
Filing: 1960-03-02
•
Granted: 1963-02-19
•
Expires: 1980-03-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William D Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:46
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
IN AN OXYGEN MASK APPARATUS CONSISTING OF A FACE MASK ADAPTED FOR REGISTRY WITH THE FACE OF THE WEARER, A HEAD HARNESS AND MEANS FOR SUPPORTING SAID FACE MASK FROM SAID HEAD HARNESS FOR POSITION ON THE FACE OF A WEARER, SAID MEANS COMPRISING A PAIR OF BRACKETS DISPOSED FOR MESHING ENGAGEMENT, ONE OF SAID BRACKETS BEING FIXEDLY ATTACHED TO SAID FACE MASK AND THE OTHER OF SAID BRACKETS BEING ADJUSTABLY ATTACHED TO SAID HEAD HARNESS, A SHAFT ENGAGING EACH OF SAID BRACKETS FOR ESTABLISHING A PIVOTAL RELATION THEREBETWEEN, SAID SHAFT BEING ADAPTED FOR AXIAL AND ROTARY MOVEMENT RELATIVE TO SAID BRACKETS, AN ANNULAR MEMBER FIXEDLY MOUNTED ON ONE OF SAID BRACKETS AND HAVING A PLURALITY OF DIAMETRICALLY OPPOSED NOTCHES THEREIN, A TRANSVERSE PIN FIXEDLY MOUNTED ON SAID SHAFT AND IN LOCKING ENGAGEMENT WITH SAID NOTCHES, ELASTIC MEANS MOUNTED ON SAID SHAFT FOR MAINTAINING SAID LOCKING ENGAGEMENT OF SAID TRANSVERSE PIN IN SAID NOTCHES, A FIRST PLATE FIXEDLY MOUNTED ON SAID HEAD HARNESS AND HAVING A PAIR OF SLOTS THEREIN, A SECOND PLATE INTEGRALLY CONNECTED TO THE OTHER OF SAID BRACKETS AND HAVING A PAIR OF SLOTS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |