US3155992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life raft
Assignee: Individual
•
Filing: 1962-09-05
•
Granted: 1964-11-10
•
Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Shewmake
- 👤 Matthew I Radnofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:13
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/06; B63C9/065; B63C9/02; B63C9/04; B63C2009/042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
IN COMBINATION WITH A LIFE RAFT COMPRISING AN INFLATABLE FLOATATION TUBE WHICH WHEN INFLATED IS IN THE FORM OF A TUBULAR GUNWALE ENCLOSING AN OCCUPANT-RECEIVING SPACE; A RETRACTABLE COVERING FOR SAID RAFT OF FOLDABLE, HIGHLY RADAR-REFLECTIVE MATERIAL, SAID COVERING BEING SECURED ALONG ITS PERIPHERY IN SEALING ENGAGEMENT WITH
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |