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US2840205A
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Electromagnetic clutch and brake
Assignee: AIR ASSOCIATES Inc
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Filing: 1954-11-01
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Granted: 1958-06-24
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Expires: 1974-11-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Linke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:16
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; F16D27/00; F16D27/10; F16D27/108; F16D27/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2401003A
Cited
GB642749A
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US2490044A
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US2618368A
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US2646520A
Cited
US2727605A
Cited
US2954775A
Cited
US2959190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |