US3148393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water safety belt
Assignee: Individual
•
Filing: 1963-07-25
•
Granted: 1964-09-15
•
Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Donald S Mccuaig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:51
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/13; B63C9/15; B63C9/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A WATER SAFETY BELT COMPRISING AN ELONGATED INFLATABLE TUBULAR MEMBER HAVING A CLOSED, FLEXIBLE, WATERPROOF WALL AND A FIRST CHAMBER ENCLOSED BY SAID WALL, AND AN ELONGATED, ENDLESS, TUBULAR MEMBER ALSO ENCLOSED WITHIN SAID FIRST WALL AND HAVING A SECOND CHAMBER THEREIN, SAID ENDLESS MEMBER HAVING A FLEXIBLE LONGITUDINAL SECTION OF MAJOR LENGTH AND UNIFORM CROSS-SECTION, SAID SECTION HAVING A WALL THICKNESS SUBSTANTIALLY GREATER THAN THAT OF SAID WALL OF SAID INFLATABLE MEMBER WHEREBY SAID SECTION IS SEMI-RIGID, AND A RIGID LONGITUDINAL SECTION OF MINOR LENGTH JOINING THE ENDS OF SAID FLEXIBLE SECTION, SAID RIGID SECTION BEING PRESSURE-FRACTURABLE TO PLACE SAID FIRST AND SECOND CHAMBERS IN COMMUNICATION, AND A GAS-FORMING SUBSTANCE IN SAID SECOND CHAMBER ADAPTED TO INFLATE SAID FIRST CHAMBER IN RESPONSE TO FRACTURE OF SAID RIGID SECTION,
Claim 2
Dependent Claim
129 words
A WATER SAFETY BELT COMPRISING AN ELONGATED INFLATABLE TUBULAR MEMBER HAVING A CLOSED, FLEXIBLE, WATERPROOF WALL AND A FIRST CHAMBER ENCLOSED BY SAID WALL, AND AN ELONGATED, ENDLESS, TUBULAR MEMBER ALSO ENCLOSED WITHIN SAID FIRST WALL AND HAVING A SECOND CHAMBER THEREIN, SAID ENDLESS MEMBER HAVING A FLEXIBLE LONGITUDINAL SECTION OF MAJOR LENGTH AND UNIFORM CROSS-SECTION, SAID SECTION HAVING A WALL THICKNESS SUBSTANTIALLY GREATER THAN THAT OF SAID WALL OF SAID INFLATABLE MEMBER WHEREBY SAID SECTION IS SEMI-RIGID, AND A RIGID LONGITUDINAL SECTION OF MINOR LENGTH JOINING THE ENDS OF SAID FLEXIBLE SECTION, SAID RIGID SECTION BEING PRESSURE-FRACTURABLE TO PLACE SAID FIRST AND SECOND CHAMBERS IN COMMUNICATION, AND A GAS-FORMING SUBSTANCE IN SAID SECOND CHAMBER ADAPTED TO INFLATE SAID FIRST CHAMBER IN RESPONSE TO FRACTURE OF SAID RIGID SECTION,
References Cited (Backward Citations)
US2202415A
Cited
US2970326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |