US3548681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple speed power shift transmission
Assignee: Deutz Allis Corp
•
Filing: 1969-06-23
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Granted: 1970-12-22
•
Expires: 1989-06-23
Abstract
No abstract record available.
Inventors
- 👤 James W Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/003; F16H2200/0056; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H37/00; F16H37/02; F16H37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511039A
Cited
US2793533A
Cited
US2932202A
Cited
US3065643A
Cited
US3430518A
Cited
US3487723A
Cited
US3487724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |