Patent US2629115A successfully refreshed from Google Patents.
US2629115A
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Life raft
Assignee: WILLIAM H SUTPHIN
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Filing: 1949-11-30
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Granted: 1953-02-24
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Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Roy R Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:06
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/081; H01Q1/082; B; B63; B63C; B63C9/00; B63C9/08; B63C9/20; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE303967C
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US1322149A
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US1377046A
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US1667912A
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US1769500A
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GB578834A
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US2413226A
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US2453422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |