US3269203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Doosan Bobcat North America Inc
•
Filing: 1963-12-23
•
Granted: 1966-08-30
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Barry L Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:06
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/16; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19372; Y10T74/19377; Y10T74/19386; Y10T74/19405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A TRANSMISSION, AN INPUT SHAFT, A FIRST CLUTCH GEAR ROTATABLE ON SAID INPUT SHAFT, A FIRST CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID FIRST CLUTCH GEAR TO SAID INPUT SHAFT, A FORWARD-REVERSE SHAFT, A SECOND CLUTCH GEAR ROTATABLE ON SAID FORWARD-REVERSE SHAFT, A SECOND CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID SECOND CLUTCH GEAR TO SAID FORWARD-REVERSE SHAFT, A PAIR OF GEARS SECURED TO SAID FORWARD-REVERSE SHAFT, AN IDLER GEAR IN CONSTANT MESH WITH ONE OF SAIDGEARS ON SAID FORWARD-REVERSE SHAFT, A GEAR MOUNTED ON SAID INPUT SHAFT FOR ROTATION THEREWITH AND BEING AXIALLY SHIFTABLE THEREALONG FOR MESHING ENGAGEMENT WITH EITHER SAID IDLER GEAR OR THE OTHER OF SAID GEARS ON SAID FORWARD-REVERSE SHAFT, AND GEAR MEANS SELECTIVELY DRIVEN FROM SAID FIRST AND SECOND CLUTCH GEARS.
Claim 2
Dependent Claim
125 words
IN A TRANSMISSION, AN INPUT SHAFT, A FIRST CLUTCH GEAR ROTATABLE ON SAID INPUT SHAFT, A FIRST CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID FIRST CLUTCH GEAR TO SAID INPUT SHAFT, A FORWARD-REVERSE SHAFT, A SECOND CLUTCH GEAR ROTATABLE ON SAID FORWARD-REVERSE SHAFT, A SECOND CLUTCH ADAPTED TO SELECTIVELY CONNECT SAID SECOND CLUTCH GEAR TO SAID FORWARD-REVERSE SHAFT, A PAIR OF GEARS SECURED TO SAID FORWARD-REVERSE SHAFT, AN IDLER GEAR IN CONSTANT MESH WITH ONE OF SAIDGEARS ON SAID FORWARD-REVERSE SHAFT, A GEAR MOUNTED ON SAID INPUT SHAFT FOR ROTATION THEREWITH AND BEING AXIALLY SHIFTABLE THEREALONG FOR MESHING ENGAGEMENT WITH EITHER SAID IDLER GEAR OR THE OTHER OF SAID GEARS ON SAID FORWARD-REVERSE SHAFT, AND GEAR MEANS SELECTIVELY DRIVEN FROM SAID FIRST AND SECOND CLUTCH GEARS.
References Cited (Backward Citations)
US3126752A
Cited
US2966067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |