Patent US2931243A successfully refreshed from Google Patents.
US2931243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shifting rod and lever system for change speed gears
Assignee: ZF Friedrichshafen AG
•
Filing: 1956-06-26
•
Granted: 1960-04-05
•
Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Magg Alfred Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:49
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/08; F16H63/20; F16H61/00; F16H61/26; F16H61/34; F16H63/30; F16H63/302; F16H2063/208; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20104
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2029178A
Cited
FR849477A
Cited
US1757414A
Cited
US1970098A
Cited
GB531413A
Cited
FR982559A
Cited
US2800033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |