US3007552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch-actuated trailer brakes
Assignee: ThyssenKrupp Budd Co
•
Filing: 1959-07-01
•
Granted: 1961-11-07
•
Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Carolus L Eksergian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:09
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/20; B60T11/00; B60T11/10; B60T11/107; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D63/00; B62D63/06; B62D63/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1386559A
Cited
US2082398A
Cited
US2070481A
Cited
US2152017A
Cited
DE876216C
Cited
US2320585A
Cited
US2354268A
Cited
US2391603A
Cited
US2407156A
Cited
US2662616A
Cited
US2625243A
Cited
US2642961A
Cited
US2779443A
Cited
US2834436A
Cited
US2846030A
Cited
US2834437A
Cited
US2954104A
Cited
US2936048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |