US3519805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle stopping control apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1967-11-29
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Granted: 1970-07-07
•
Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 George M Thorne-Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/24; B66B1/28; B66B1/285; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2996137A
Cited
US3240929A
Cited
US3362757A
Cited
US3334224A
Cited
US3406775A
Cited
US3361905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |