US2877664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage harvester drive means
Assignee: Unisys Corp
•
Filing: 1957-03-28
•
Granted: 1959-03-17
•
Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 James R West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:37
CPC Classifications
A; A01; A01D; A01D69/00; A01D69/002; A01F; A01F29/00; A01F29/09; A01F29/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862035A
Cited
US1887789A
Cited
US2352854A
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US2488069A
Cited
US2756978A
Cited
US2725704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |