US2925153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic brake
Assignee: Cutler Hammer Inc
•
Filing: 1953-11-27
•
Granted: 1960-02-16
•
Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Howard E Hodgson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:43
CPC Classifications
F; F16; F16D; F16D49/00; F16D49/16; F16D59/00; F16D59/02; F16D2121/00; F16D2121/18; F16D2121/20; F16D2121/22; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1120728A
Cited
US1279777A
Cited
US1809603A
Cited
GB410471A
Cited
US2087478A
Cited
US2473360A
Cited
US2642160A
Cited
US2622630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |