US2618491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-wheel steering assembly
Assignee: Jeffrey Manufacturing Co
•
Filing: 1947-08-30
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Granted: 1952-11-18
•
Expires: 1967-08-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:44
CPC Classifications
B; B60; B60P; B60P3/00; B60T; B60T13/00; B60T13/10; B60T13/12; B62; B62D; B62D1/00; B62D1/02; B62D1/16; B62D1/18; B62D49/00; B62D49/06; B62D49/0692; B62D7/00; B62D7/06; B62D7/14; B62D7/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR393975A
Cited
US1805536A
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FR750687A
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US2372013A
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US2274295A
Cited
US2318756A
Cited
US2358236A
Cited
US2325731A
Cited
US2336386A
Cited
US2461116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |