Patent US3268045A successfully refreshed from Google Patents.
US3268045A
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Clutch drive circuit
Assignee: Potter Instrument Co Inc
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Filing: 1964-04-13
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Granted: 1966-08-23
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Poumakis Eleuthere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:53
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/0016; H02P29/0027; F; F16; F16D; F16D48/00; F16D48/06; F16D48/064; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/30; F16D2500/316; F16D2500/3166; F16D2500/50; F16D2500/51; F16D2500/5104; F16D2500/5106; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70418; F16D2500/7042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION, AN ELECTRICALLY ACTUATED CLUTCH WHICH ENGAGES IN RESPONSE TO CURRENT FLOWING THERETHROUGH, MEANS OPERABLE IN RESPONSE TO AN INPUT SIGNAL TO APPLY A FIRST VOLTAGE ACROSS SAID CLUTCH FOR A PREDETERMINED TIME INTERVAL AFTER THE TIME SAID INPUT SIGNAL IS APPLIED, MEANS OPERABLE IN RESPONSE TO SAID INPUT SIGNAL TO APPLY ACROSS SAID CLUTCH A SECOND VOLTAGE LOWER THAN SAID FIRST VOLTAGE FOR A PREDETERMINED TIME INTERVAL IMMEDIATELY FOLLOWING SAID FIRST TIME INTERVAL, AND MEANS OPERABLE IN RESPONSE TO SAID INPUT SIGNAL TO APPLY ACROSS SAID CLUTCH A THIRD VOLTAGE LOWER THAN SAID SECOND VOLTAGE AFTER THE END OF SAID SECOND TIME INTERVAL.
Claim 2
Dependent Claim
105 words
IN COMBINATION, AN ELECTRICALLY ACTUATED CLUTCH WHICH ENGAGES IN RESPONSE TO CURRENT FLOWING THERETHROUGH, MEANS OPERABLE IN RESPONSE TO AN INPUT SIGNAL TO APPLY A FIRST VOLTAGE ACROSS SAID CLUTCH FOR A PREDETERMINED TIME INTERVAL AFTER THE TIME SAID INPUT SIGNAL IS APPLIED, MEANS OPERABLE IN RESPONSE TO SAID INPUT SIGNAL TO APPLY ACROSS SAID CLUTCH A SECOND VOLTAGE LOWER THAN SAID FIRST VOLTAGE FOR A PREDETERMINED TIME INTERVAL IMMEDIATELY FOLLOWING SAID FIRST TIME INTERVAL, AND MEANS OPERABLE IN RESPONSE TO SAID INPUT SIGNAL TO APPLY ACROSS SAID CLUTCH A THIRD VOLTAGE LOWER THAN SAID SECOND VOLTAGE AFTER THE END OF SAID SECOND TIME INTERVAL.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |