US2667939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for vehicles
Assignee: Individual
•
Filing: 1951-10-08
•
Granted: 1954-02-02
•
Expires: 1971-10-08
Abstract
No abstract record available.
Inventors
- 👤 Purkey Edward Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:13
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20189; Y10T74/20528; Y10T74/20534; Y10T74/20576; Y10T74/20888; Y10T74/209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US835572A
Cited
US1250329A
Cited
US1415176A
Cited
US1890293A
Cited
US2068962A
Cited
US2209830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |