US3040844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement to control power source movement via slack elimination in a brake rigging or the like
Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1962-06-26
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Robert M Holloway
- 👤 Robert L Ludington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:27
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0007; B61H15/0014; B61H15/0021; B61H13/00; B61H13/20; B61H13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US535774A
Cited
US1837473A
Cited
US1951014A
Cited
US1908315A
Cited
US2559779A
Cited
US2922500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |