Patent US2995900A successfully refreshed from Google Patents.
US2995900A
Expired / Lapsed
US
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Portable marine structure
Assignee: Individual
•
Filing: 1954-10-25
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Granted: 1961-08-15
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 William A Hunsucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:41
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0809; E02B2017/0039; E02B2017/0047; E02B2017/0052; E02B2017/0056; E02B2017/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675681A
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US1868494A
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US2210408A
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US2318685A
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US2608829A
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US2603068A
Cited
US2612024A
Cited
US2598088A
Cited
US2771747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |