Patent US2231740A successfully refreshed from Google Patents.
US2231740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission shifting device
Assignee: Ford Motor Co
•
Filing: 1939-12-08
•
Granted: 1941-02-11
•
Expires: 1959-12-08
Abstract
No abstract record available.
Inventors
- 👤 John J Wharam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:27
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/3009; F16H59/00; F16H59/02; F16H59/04; G; G05; G05G; G05G5/00; G05G5/02; G05G2700/00; G05G2700/22; G05G2700/24; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1944-02-11 | 1944-08-12 | 1945-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-11 | 1948-08-12 | 1949-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-11 | 1952-08-12 | 1953-02-11 | $7700.00 | Window Closed / Lapsed |