Patent US3400797A successfully refreshed from Google Patents.
US3400797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic clutch or brake with dual coils
Assignee: Bendix Corp
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Filing: 1966-07-05
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Granted: 1968-09-10
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 John W Horn
- 👤 Glenn S Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:45
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D27/00; F16D27/02; F16D27/09; F16D48/00; F16D48/06; F16D48/064; F16D59/00; F16D59/02; F16D63/00; F16D63/006; F16D2027/002; F16D2027/005; F16D2055/0075; F16D2055/0091; F16D66/00; F16D2066/003; F16D2121/00; F16D2121/18; F16D2121/20; F16D2121/22; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/104; F16D2500/10443; F16D2500/1045; F16D2500/10462; F16D2500/30; F16D2500/302; F16D2500/3026; F16D2500/50; F16D2500/501; F16D2500/5012; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/7041; F16D2500/70418; F16D2500/7042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US727691A
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US1671057A
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US2875876A
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US3016580A
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US3215902A
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US3252022A
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US3331481A
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US3328983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |