US3273415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Doosan Bobcat North America Inc
•
Filing: 1963-12-30
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Granted: 1966-09-20
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Barry L Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:34
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H2003/0936; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A TRANSMISSION, AN INPUT SHAFT, A FIRST CLUTCH GEAR ROTATABLE ON SAID INPUT SHAFT, A FIRST FORWARD-DRIVE CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID FIRST CLUTCH GEAR TO SAID INPUT SHAFT, A REVERSE SHAFT, A SECOND CLUTCH GEAR ROTATABLE ON SAID REVERSE SHAFT, A REVERSE-DRIVE CLUTCH ADAPTED TO SELECTIVELY CONNECT WITH SECOND CLUTCH GEAR TO SAID REVERSE SHAFT, A SECOND FORWARD-DRIVE CLUTCH INCLUDING A HUB MEMBER ROTATABLY MOUNTED ON SAID INPUT SHAFT, A PLURALITY OF FRICTION DISK MEMBERS CARRIED BY SAID HUB MEMBER FOR ROTATION THEREWITH, A DRU, MEMBER HAVING A RADIAL FLANGE PORTION SECURED TO SAID INPUT SHAFT AND A GENERALLY AXIAL CYLINDRICAL PORTION CARRYING A PLURALITY OF FRICTION DISK MEMBERS INTERLEAVED WITH SAID
Claim 2
Dependent Claim
115 words
IN A TRANSMISSION, AN INPUT SHAFT, A FIRST CLUTCH GEAR ROTATABLE ON SAID INPUT SHAFT, A FIRST FORWARD-DRIVE CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID FIRST CLUTCH GEAR TO SAID INPUT SHAFT, A REVERSE SHAFT, A SECOND CLUTCH GEAR ROTATABLE ON SAID REVERSE SHAFT, A REVERSE-DRIVE CLUTCH ADAPTED TO SELECTIVELY CONNECT WITH SECOND CLUTCH GEAR TO SAID REVERSE SHAFT, A SECOND FORWARD-DRIVE CLUTCH INCLUDING A HUB MEMBER ROTATABLY MOUNTED ON SAID INPUT SHAFT, A PLURALITY OF FRICTION DISK MEMBERS CARRIED BY SAID HUB MEMBER FOR ROTATION THEREWITH, A DRU, MEMBER HAVING A RADIAL FLANGE PORTION SECURED TO SAID INPUT SHAFT AND A GENERALLY AXIAL CYLINDRICAL PORTION CARRYING A PLURALITY OF FRICTION DISK MEMBERS INTERLEAVED WITH SAID
References Cited (Backward Citations)
US3126752A
Cited
US3181385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |