US2829616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot-responsive boat-control apparatus
Assignee: Individual
•
Filing: 1955-05-10
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Granted: 1958-04-08
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 John J O'brien
- 👤 Francis J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:15
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/05; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |