US2690109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame construction and hitch for farm implements
Assignee: Ford Motor Co
•
Filing: 1950-05-06
•
Granted: 1954-09-28
•
Expires: 1970-05-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Frevik
- 👤 Raymond W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:40
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916945A
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US2041216A
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US1996676A
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US2118181A
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US2174310A
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US2320141A
Cited
US2420530A
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US2430732A
Cited
US2518215A
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US2534761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |