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US2404951A
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System for the remote control of internal-combustion engines and clutches employed in ship propulsion
Assignee: JOHN M HOPWOOD
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Filing: 1943-05-26
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Granted: 1946-07-30
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Expires: 1963-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert R Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:46
CPC Classifications
F; F01; F01L; F01L13/00; B; B63; B63H; B63H21/00; B63H21/22; F16; F16D; F16D48/00; F16D48/02; F16H; F16H3/00; B63H23/00; B63H23/02; B63H23/08; B63H23/30; F16D2500/00; F16D2500/10; F16D2500/11; F16D2500/1105; F16H2712/00; F16H2712/04; Y; Y10; Y10S; Y10S74/00; Y10S74/08; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-29 | 1950-01-28 | 1950-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-29 | 1954-01-28 | 1954-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-29 | 1958-01-28 | 1958-07-30 | $7700.00 | Window Closed / Lapsed |