US3318167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-shaft transmission
Assignee: Doosan Bobcat North America Inc
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Filing: 1964-12-23
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Granted: 1967-05-09
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Barry L Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/097; F16H2200/00; F16H2200/003; F16H2200/0052; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19242; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19312; Y10T74/19377; Y10T74/19381; Y10T74/19386; Y10T74/194
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A TRANSMISSION UNIT, AN INPUT SHAFT, AN OUTPUT SHAFT, A FIRST GEAR SECURED ON SAID INPUT SHAFT, A FIRST COUNTER SHAFT, A SECOND GEAR SECURED ON SAID FIRST COUNTER SHAFT AND MESHING WITH SAID FIRST GEAR, A THIRD GEAR SECURED ON SAID FIRST COUNTER SHAFT, A SECOND COUNTER SHAFT, A FOURTH GEAR SECURED ON SAID SECOND COUNTER SHAFT AND MESHING WITH SAID THIRD GEAR, A THIRD COUNTER SHAFT, A FIFTH GEAR SECURED ON SAID THIRD COUNTER SHAFT AND MESHING WITH SAID FOURTH GEAR, AND MEANS FOR SELECTIVELY ESTABLISHING AND DISESTABLISHING DRIVING CONNECTION BETWEEN SAID COUNTER SHAFTS AND SAID OUTPUT SHAFT.
Claim 2
Dependent Claim
101 words
IN A TRANSMISSION UNIT, AN INPUT SHAFT, AN OUTPUT SHAFT, A FIRST GEAR SECURED ON SAID INPUT SHAFT, A FIRST COUNTER SHAFT, A SECOND GEAR SECURED ON SAID FIRST COUNTER SHAFT AND MESHING WITH SAID FIRST GEAR, A THIRD GEAR SECURED ON SAID FIRST COUNTER SHAFT, A SECOND COUNTER SHAFT, A FOURTH GEAR SECURED ON SAID SECOND COUNTER SHAFT AND MESHING WITH SAID THIRD GEAR, A THIRD COUNTER SHAFT, A FIFTH GEAR SECURED ON SAID THIRD COUNTER SHAFT AND MESHING WITH SAID FOURTH GEAR, AND MEANS FOR SELECTIVELY ESTABLISHING AND DISESTABLISHING DRIVING CONNECTION BETWEEN SAID COUNTER SHAFTS AND SAID OUTPUT SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |