US2836023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage harvester cutting mechanism
Assignee: Individual
•
Filing: 1953-06-30
•
Granted: 1958-05-27
•
Expires: 1973-06-30
Abstract
No abstract record available.
Inventors
- 👤 Caldwell Walter Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:34
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/43; A01D34/435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2684022A
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US2634567A
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US2663985A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |