US2481028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially engaging electromagnetic clutch and brake
Assignee: Lear Inc
•
Filing: 1944-06-05
•
Granted: 1949-09-06
•
Expires: 1964-06-05
Abstract
No abstract record available.
Inventors
- 👤 William P Lear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:18
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; F16D27/00; F16D27/10; F16D27/118; F16D2027/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2105323A
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US2163884A
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US2242216A
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US2209776A
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US2267114A
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US2315298A
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US2396153A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |