US2787235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat control means
Assignee: Individual
•
Filing: 1952-12-22
•
Granted: 1957-04-02
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Simon E Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:26
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/14; B63H25/26; B63H25/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE450059C
Cited
US669235A
Cited
US1351585A
Cited
US1752022A
Cited
US1595277A
Cited
US1696985A
Cited
US1841573A
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US1898150A
Cited
US2192175A
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US2051150A
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FR863173A
Cited
US2309159A
Cited
US2657536A
Cited
US2410978A
Cited
US2365490A
Cited
US2572749A
Cited
US2608060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |