US2800033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching arrangement for motor vehicle change speed gears
Assignee: ZF Friedrichshafen AG
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Filing: 1954-05-27
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Granted: 1957-07-23
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Zittrell Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3016; F16H3/00; F16H3/02; F16H3/20; F16H61/00; F16H61/02; F16H61/0293; F16H63/08; F16H63/20; F16H2063/3083; F16H2063/3086; F16H2708/00; F16H2708/02; F16H2708/04; F16H59/00; F16H59/02; F16H59/04; F16H59/042; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/20; Y10T74/20012; Y10T74/20018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344096A
Cited
US2485034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |