US2821059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hillside harvester
Assignee: Deere and Co
•
Filing: 1954-04-01
•
Granted: 1958-01-28
•
Expires: 1974-04-01
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Heitshu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/28; A01D75/285; B; B62; B62D; B62D49/00; B62D49/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE379926C
Cited
US1255599A
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US1463515A
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US1941143A
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US2564202A
Cited
US2607610A
Cited
US2510325A
Cited
US2654207A
Cited
US2656668A
Cited
US2709329A
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US2753675A
Cited
US2780903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |