US2446263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change gear transmission
Assignee: Deere and Co
•
Filing: 1945-01-09
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Granted: 1948-08-03
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Expires: 1965-01-09
Abstract
No abstract record available.
Inventors
- 👤 Frank T Court
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:35
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/02; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H3/30; F16H3/32; F16H63/00; F16H63/02; F16H63/24; F16H59/04; F16H59/042; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19233; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19377; Y10T74/19386; Y10T74/19405; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |