Patent US3105981A successfully refreshed from Google Patents.
US3105981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personal inflatable life raft
Assignee: Individual
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Filing: 1963-02-25
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Granted: 1963-10-08
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 William B Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:50
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/02; B63C9/04; B63C2009/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PERSONAL INFLATABLE LIFE RAFT COMPRISING A SUBSTANTIALLY RECTANGULAR BOTTOM PANEL OF FLEXIBLE WATERPROOF MATERIAL, A SIDE WALL OF FLEXIBLE MATERIAL ATTACHED TO THE PERIPHERY OF SAID BOTTOM PANEL, SAID SIDE WALL COMPRISING AN AIR CHAMBER, MEANS FOR INFLATING SAID AIR CHAMBER, ONE END OF SAID BOTTOM PANEL BEING BIFURCATED BY AN AXIAL SLIDE FASTENER MEANS FOR CLOSING SAID SLIT, HARNESS MEANS SECURED TO SAID PANEL FOR SECURING SAID RAFT TO THE BACK OF A PERSON WHEN FOLDED TO PROVIDE A REC-
Claim 2
Dependent Claim
82 words
A PERSONAL INFLATABLE LIFE RAFT COMPRISING A SUBSTANTIALLY RECTANGULAR BOTTOM PANEL OF FLEXIBLE WATERPROOF MATERIAL, A SIDE WALL OF FLEXIBLE MATERIAL ATTACHED TO THE PERIPHERY OF SAID BOTTOM PANEL, SAID SIDE WALL COMPRISING AN AIR CHAMBER, MEANS FOR INFLATING SAID AIR CHAMBER, ONE END OF SAID BOTTOM PANEL BEING BIFURCATED BY AN AXIAL SLIDE FASTENER MEANS FOR CLOSING SAID SLIT, HARNESS MEANS SECURED TO SAID PANEL FOR SECURING SAID RAFT TO THE BACK OF A PERSON WHEN FOLDED TO PROVIDE A REC-
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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |