US3068050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor-trailer air brake apparatus
Assignee: Westinghouse Bremsen GmbH
•
Filing: 1961-02-09
•
Granted: 1962-12-11
•
Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Pekrul Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/36; B60T15/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2515946A
Cited
US2941844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |