US3125771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
coolidge
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:45
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/11; B63C9/115
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
36 words
A LIFE PRESERVER, COMPRISING: AN ELONGATED STRIP OF FLEXIBLE FOAM MATERIAL; AT LEAST TWO OPENINGS EXTENDING THROUGH SAID STRIP; AN ELONGATED STRAP FOR SECURING THE LIFE PRESERVER TO A PERSON''S BODY; A RING POSITIONED IN EACH
References Cited (Backward Citations)
US1625971A
Cited
US1931406A
Cited
US1850660A
Cited
US2210809A
Cited
US2377865A
Cited
US2606398A
Cited
US2621342A
Cited
US2803023A
Cited
US2935751A
Cited
US3037220A
Cited
US3042947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |