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US2828680A
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US
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Multiple-sectioned farm implement
Assignee: Deere Manufacturing Co
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Filing: 1955-05-26
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Granted: 1958-04-01
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Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:05
CPC Classifications
A; A01; A01B; A01B35/00; A01B23/00; A01B23/04; A01B23/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE440520C
Cited
US829766A
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US848613A
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US2334729A
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US2377578A
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US2590965A
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US2641886A
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US2620200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |