US2193733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device for change speed gears of power driven vehicles
Assignee: ZF Friedrichshafen AG
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Filing: 1936-09-22
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Granted: 1940-03-12
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Expires: 1956-09-22
Abstract
No abstract record available.
Inventors
- 👤 Maier Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:26
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/40; F16H63/46; B; B60; B60W; B60W10/00; B60W10/02; B60W10/10; B60K; B60K2702/00; B60K2702/08; B60K2702/18; B60K2702/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19377; Y10T74/19386; Y10T74/194; Y10T74/20; Y10T74/20012; Y10T74/20018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-03-12 | 1943-09-11 | 1944-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-03-12 | 1947-09-11 | 1948-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-03-12 | 1951-09-11 | 1952-03-12 | $7700.00 | Window Closed / Lapsed |