US2273068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: John Deere Tractor Co
•
Filing: 1938-04-11
•
Granted: 1942-02-17
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Expires: 1958-04-11
Abstract
No abstract record available.
Inventors
- 👤 James S Ross
- 👤 Wayne H Worthington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:04
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2708/00; F16H2708/10; F16H2708/12; Y; Y10; Y10S; Y10S74/00; Y10S74/90; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18168; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014; Y10T74/20159
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) | 1945-02-16 | 1945-08-18 | 1946-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-16 | 1949-08-18 | 1950-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-16 | 1953-08-18 | 1954-02-17 | $7700.00 | Window Closed / Lapsed |