US3456607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural device
Assignee: W AND A Mfg CO
•
Filing: 1966-11-04
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Granted: 1969-07-22
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Expires: 1986-11-04
Abstract
No abstract record available.
Inventors
- 👤 Wilbur C West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:48
CPC Classifications
A; A01; A01B; A01B19/00; A01B49/00; A01B49/04; A01C; A01C5/00; A01C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |