US2476177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage harvester knife sharpener
Assignee: Allis Chalmers Corp
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Filing: 1945-10-18
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Granted: 1949-07-12
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Expires: 1965-10-18
Abstract
No abstract record available.
Inventors
- 👤 Meric W Bloom
- 👤 Paul A Whisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:17
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B3/42; A; A01; A01D; A01D5/00; Y; Y10; Y10T; Y10T83/00; Y10T83/303; Y10T83/313; Y10T83/869; Y10T83/872; Y10T83/8722; Y10T83/8723
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) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |