Patent US2514409A successfully refreshed from Google Patents.
US2514409A
Expired / Lapsed
US
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Pontoon flotation apparatus
Assignee: Individual
•
Filing: 1945-03-28
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Granted: 1950-07-11
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Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Mulick Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:08
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317274A
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US1253526A
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US1332433A
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US1384094A
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US1486131A
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US1430957A
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US1691738A
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US2320288A
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US2374372A
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US2411649A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |