Patent US2878768A successfully refreshed from Google Patents.
US2878768A
Expired / Lapsed
US
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Boat steering mechanism
Assignee: Individual
•
Filing: 1954-12-14
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Granted: 1959-03-24
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Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Garrett R Warblow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:17
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/12; B63H25/00; B63H25/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US312071A
Cited
US2525349A
Cited
US2507894A
Cited
US2654335A
Cited
US2599791A
Cited
FR1019349A
Cited
US2629356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |