Patent US2901257A successfully refreshed from Google Patents.
US2901257A
Expired / Lapsed
US
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Agricultural machines
Assignee: Individual
•
Filing: 1956-01-23
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Granted: 1959-08-25
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 William T Teagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:29
CPC Classifications
A; A01; A01C; A01C17/00; A01C17/005; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7793; Y10T83/7868; Y10T83/869; Y10T83/8748; Y10T83/8749
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |