US2501249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile hand accelerator
Assignee: TRANS CONTINENTAL IND Inc
•
Filing: 1947-03-07
•
Granted: 1950-03-21
•
Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter F Wilsdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:03
CPC Classifications
B; B60; B60K; B60K23/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/20274; Y10T74/20396; Y10T74/20402; Y10T74/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320339A
Cited
US1658554A
Cited
US1515230A
Cited
CH147321A
Cited
US1857488A
Cited
US1938897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |