Patent US2545502A successfully refreshed from Google Patents.
US2545502A
Expired / Lapsed
US
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Steering propeller and rudder mount for boats
Assignee: Individual
•
Filing: 1948-02-02
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Granted: 1951-03-20
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Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Arnold C Troester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:28
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/16; B63H20/32; B63H20/34; B63H2020/323; B63H2020/326
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) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |