Patent US204684A successfully refreshed from Google Patents.
US3421784A
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Degaussing circuit for electromagnetic clutch
Assignee: GENERAL TIME CONTROLS Inc 135 SOUTH MAIN ST THOMASTON CT 06787 A CORP OF DE
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Filing: 1966-12-28
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Granted: 1969-01-14
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 John S Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:50
CPC Classifications
F; F16; F16D; F16D37/00; F16D37/02; F16D27/00; F16D48/00; F16D48/06; F16D48/064; F16D2037/001; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/30; F16D2500/304; F16D2500/3042; F16D2500/30426; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70404; F16D2500/70418; F16D2500/706; F16D2500/7061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |