US2328804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor driving and steering mechanism
Assignee: BUCKEYE TRACTION DITCHER CO
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Filing: 1941-06-21
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Granted: 1943-09-07
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Expires: 1961-06-21
Abstract
No abstract record available.
Inventors
- 👤 Hollmann Hubert
- 👤 William G Van Voorhis
- 👤 Charles L George
- 👤 Ralph O Gerdeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:10
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167; Y10T74/20; Y10T74/20006
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |