Patent US2612980A successfully refreshed from Google Patents.
US2612980A
Expired / Lapsed
US
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Material-handling mechanism
Assignee: Deere and Co
•
Filing: 1950-11-17
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Granted: 1952-10-07
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Expires: 1970-11-17
Abstract
No abstract record available.
Inventors
- 👤 Alvin W Ochler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:41
CPC Classifications
A; A01; A01D; A01D61/00; A01D61/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US234868A
Cited
US2172982A
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US2360776A
Cited
US2529180A
Cited
US2478009A
Cited
US2477970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |