US2609740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible tractor plow
Assignee: Individual
•
Filing: 1946-01-10
•
Granted: 1952-09-09
•
Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter A Dexheimer
- 👤 Harold N Pullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:29
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/40; A01B3/42; A01B3/421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US267630A
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US332302A
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US332301A
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US358180A
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US808727A
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US1889097A
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US2223002A
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FR875681A
Cited
US2336410A
Cited
US2366281A
Cited
US2364367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |