US2499805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: American Brake Shoe Co
•
Filing: 1946-04-22
•
Granted: 1950-03-07
•
Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 Rosser L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:40
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1913699A
Cited
GB528132A
Cited
US2232753A
Cited
US2408451A
Cited
US2339750A
Cited
US2322114A
Cited
US2381250A
Cited
US2423614A
Cited
US2443437A
Cited
US2460055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |