Patent US3268925A successfully refreshed from Google Patents.
US3268925A
Expired / Lapsed
US
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Life-saving raft
Assignee: Individual
•
Filing: 1964-10-12
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Granted: 1966-08-30
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Serra Juan Duarry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:10
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/02; B63C9/04; B63C2009/042; B63C2009/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A LIFE RAFT OF THE TYPE COMPRISING A BOTTOM FLOATING SECTION OF SOLID BUOYANT MATERIAL AND SECURED THERETO AN UPPER INFLATABLE FLOATING SECTION PROVIDED WITH PNEUMATICALLY INFLATABLE HOOPS, THE IMPROVEMENT WHEREIN SAID BOTTOM FLOATING SECTION COMPRISES AT LEAST TWO HINGINGLY CONNECTED MEMBERS ADAPTED TO BE FOLDED TOGETHER WITH SAID UPPER INFLATABLE FLOATING SECTION WHEN SAID LATTER IS IN THE DEFLATED STATE, TO FORM A COMPACT BLOCK OCCUPYING A REDUCED SPACE FOR THE STORAGE ON BOARD OF A VESSEL.
Claim 2
Dependent Claim
79 words
IN A LIFE RAFT OF THE TYPE COMPRISING A BOTTOM FLOATING SECTION OF SOLID BUOYANT MATERIAL AND SECURED THERETO AN UPPER INFLATABLE FLOATING SECTION PROVIDED WITH PNEUMATICALLY INFLATABLE HOOPS, THE IMPROVEMENT WHEREIN SAID BOTTOM FLOATING SECTION COMPRISES AT LEAST TWO HINGINGLY CONNECTED MEMBERS ADAPTED TO BE FOLDED TOGETHER WITH SAID UPPER INFLATABLE FLOATING SECTION WHEN SAID LATTER IS IN THE DEFLATED STATE, TO FORM A COMPACT BLOCK OCCUPYING A REDUCED SPACE FOR THE STORAGE ON BOARD OF A VESSEL.
References Cited (Backward Citations)
US2609549A
Cited
GB835061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |