US3555919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined marine box
Assignee: TUMAN S CA
•
Filing: 1968-09-11
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Granted: 1971-01-19
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Expires: 1988-09-11
Abstract
Abstract A TRANSMISSION FOR MARINE USE COMPRISES OFFSET INPUT AND OUTPUT SHAFTS, FORWARD AND REVERSE GEAR TRAINS HAVING OUTPUT GEARS WHICH ARE JOURNALED TO THE OUTPUT SHAFT, AND AN ELECTROMAGNETIC CLUTCH ASSOCIATED WITH EACH GEAR TRAIN. EACH CLUTCH INCLUDES A COIL SPRING FASTENED TO THE RESPECTIVE OUTPUT GEAR, A KNURLED CLUTCH SLEEVE AFFIXED TO THE OUTPUT SHAFT, AND AN ELECTROMAGNETIC COIL, WHICH UPON ENERGIZATION CONSTRICTS AND LOCKS THE COIL SPRING TO THE CLUTCH SLEEVE SO THAT THE ROTATION OF THE RESPECTIVE OUTPUT GEAR IS TRANSMITTED TO THE OUTPUT SHAFT.
Inventors
- 👤 Benjamin R Odell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:33
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19372
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |