US3394779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure operated braking device for vehicles
Assignee: Graubremse GmbH
•
Filing: 1966-06-16
•
Granted: 1968-07-30
•
Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Heinz Nicolay
- 👤 Franz Beigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:56
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/38; B60T17/00; B60T17/08; B60T17/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867078A
Cited
US2295196A
Cited
US2768712A
Cited
US3090359A
Cited
US3136399A
Cited
US3095067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |