Patent US2946484A successfully refreshed from Google Patents.
US2946484A
Expired / Lapsed
US
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Inflatable life saving device
Assignee: Individual
•
Filing: 1954-02-25
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Granted: 1960-07-26
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Expires: 1974-02-25
Abstract
No abstract record available.
Inventors
- 👤 Stoner Joseph Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US701329A
Cited
FR782331A
Cited
US2120248A
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US2123446A
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US2513347A
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US2684784A
Cited
GB710196A
Cited
US2707605A
Cited
US2722342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |