US2946925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for effecting automatic control of a vehicle power transmission system
Assignee: ZF International UK Ltd
•
Filing: 1955-11-22
•
Granted: 1960-07-26
•
Expires: 1975-11-22
Abstract
No abstract record available.
Inventors
- 👤 May Clifford Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:51
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/10; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1246687A
Cited
US1810306A
Cited
US2307576A
Cited
US2683244A
Cited
US2628345A
Cited
US2840775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |