US2841946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage harvester knives
Assignee: Deere Manufacturing Co
•
Filing: 1955-01-07
•
Granted: 1958-07-08
•
Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Arnold B Skromme
- 👤 Gail R Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:34
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/09; A01F29/095; 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)
DE638459C
Cited
US1103219A
Cited
DE516114C
Cited
US2200374A
Cited
US2590065A
Cited
US2684022A
Cited
US2777268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |