Patent US1980126A successfully refreshed from Google Patents.
Patent US1598803A successfully refreshed from Google Patents.
US1598803A
Expired / Lapsed
US
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Plow
Assignee: Deere and Co
•
Filing: 1919-05-19
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Granted: 1926-09-07
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Expires: 1939-05-19
Abstract
No abstract record available.
Inventors
- 👤 Brown Theophilus
- 👤 Carl G Strandlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:54
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/166
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) | 1929-09-06 | 1930-03-08 | 1930-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-06 | 1934-03-08 | 1934-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-06 | 1938-03-08 | 1938-09-07 | $7700.00 | Window Closed / Lapsed |