US2223624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain drill power lift
Assignee: MASSEY HARRIS CO Ltd
•
Filing: 1939-07-28
•
Granted: 1940-12-03
•
Expires: 1959-07-28
Abstract
No abstract record available.
Inventors
- 👤 Karl H Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/18; A01C; A01C7/00; A01C7/20; A01C7/201; A01C7/203; A01C7/208
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) | 1943-12-03 | 1944-06-03 | 1944-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-03 | 1948-06-03 | 1948-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-03 | 1952-06-03 | 1952-12-03 | $7700.00 | Window Closed / Lapsed |