US2938611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticreep and hill holder brake system
Assignee: Individual
•
Filing: 1956-03-15
•
Granted: 1960-05-31
•
Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 George H Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:12
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/122; B60T11/00; B60T11/10; B60T11/103; B60T11/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2259810A
Cited
GB191002291A
Cited
US2287562A
Cited
US2317982A
Cited
US2592247A
Cited
US2630195A
Cited
US2685842A
Cited
US2577680A
Cited
US2731526A
Cited
US2681713A
Cited
US2762476A
Cited
US2759060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |