US3488096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Involuntary hydraulic safety braking system
Assignee: WILLIAM R HOOPES
•
Filing: 1967-10-30
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Granted: 1970-01-06
•
Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 William R Hoopes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:37
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T13/00; B60T13/10; B60T13/12; B60T13/22; B60T7/00; B60T7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085040A
Cited
US2065259A
Cited
GB736937A
Cited
US3114580A
Cited
US3114581A
Cited
US3276551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |