Patent US2888690A successfully refreshed from Google Patents.
US2888690A
Expired / Lapsed
US
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Inflatable life-saving raft
Assignee: Individual
•
Filing: 1955-07-01
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Granted: 1959-06-02
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Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Shaw Eric Baden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:58
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/02; B63C9/04; B63C2009/042; B63C2009/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US1220876A
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US1238245A
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US1505785A
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US1810564A
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US2127871A
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GB537115A
Cited
US2464086A
Cited
US2482780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |