US1887334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator
Assignee: F WYATT MANUFACTURING Co
•
Filing: 1931-05-14
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Granted: 1932-11-08
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Expires: 1951-05-14
Abstract
No abstract record available.
Inventors
- 👤 John J Spaeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:01
CPC Classifications
A; A01; A01B; A01B1/00; A01B1/24; A01B49/00; A01B49/04; A01B49/06; A01C; A01C7/00; A01C7/08; A01C7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-11-08 | 1936-05-09 | 1936-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-08 | 1940-05-09 | 1940-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-08 | 1944-05-09 | 1944-11-08 | $7700.00 | Window Closed / Lapsed |