US2778036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oar lock and protector
Assignee: Individual
•
Filing: 1953-07-31
•
Granted: 1957-01-22
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Carl R Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:20
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US58402A
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US282855A
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US612488A
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US662227A
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US998562A
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US1000198A
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US1674307A
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US1768006A
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US2461092A
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US2424605A
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US2559929A
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US2504461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |