US2455090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic marine steering gear for operating the rudders of ships
Assignee: STETSON ROSS MACHINE Co
•
Filing: 1944-06-08
•
Granted: 1948-11-30
•
Expires: 1964-06-08
Abstract
No abstract record available.
Inventors
- 👤 Wilmot T Pritchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:26
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)
US1056194A
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US1292029A
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US1656028A
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US1955922A
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US1993475A
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US2282194A
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US2349295A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |