US2874972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor front end suspension
Assignee: Minneapolis Moline Co
•
Filing: 1956-04-11
•
Granted: 1959-02-24
•
Expires: 1976-04-11
Abstract
No abstract record available.
Inventors
- 👤 Hans J Andersen
- 👤 William E Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:24
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US727333A
Cited
US1792035A
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US2074685A
Cited
US2175965A
Cited
US2264924A
Cited
US2232972A
Cited
US2425516A
Cited
US2750199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |