Patent US2467891A successfully refreshed from Google Patents.
US2467891A
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Electromagnetic brake
Assignee: STAR ELECTRIC MOTOR Co
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Filing: 1944-07-20
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Granted: 1949-04-19
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Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Emil E Hollander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:11
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/02; B; B60; B60T; B60T13/00; B60T13/74; F16D51/00; F16D59/00; F16D59/02; F16D65/00; F16D65/38; F16D2065/383; F16D2121/00; F16D2121/18; F16D2121/20; F16D2121/22; F16D2127/00; F16D2127/02; F16D2127/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1847319A
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US1929914A
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US1966169A
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US2052201A
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US2059244A
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US2232710A
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US2262352A
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US2385459A
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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) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |