Patent US3412446A successfully refreshed from Google Patents.
US3412446A
Expired / Lapsed
US
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Roll construction
Assignee: Deere and Co
•
Filing: 1966-08-24
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Granted: 1968-11-26
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Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Wood William Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:41
CPC Classifications
A; A01; A01D; A01D82/00; Y; Y10; Y10S; Y10S56/00; Y10S56/01; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US73467A
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US1309059A
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US2352501A
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US2538965A
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US3101720A
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US3284875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |