US2720070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forage crop cutting and conveying device
Assignee: Individual
•
Filing: 1954-10-20
•
Granted: 1955-10-11
•
Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
- 👤 Richard H Arrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:38
CPC Classifications
A; A01; A01D; A01D90/00; A01D43/00; A01D43/06; A01D43/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675661A
Cited
US1656105A
Cited
US2071872A
Cited
US2477795A
Cited
US2661585A
Cited
US2701942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |