US3217207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peak drive protective circuit
Assignee: Elox Corporation of Michigan
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Filing: 1961-05-26
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Granted: 1965-11-09
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert S Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/02; B23H1/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROTECTIVE CIRCUIT FOR AN ELECTRONIC SWITCH CONNECTED TO A POWER SUPPLY COMPRISING, A PULSER OPERATIVELY CONNECTED TO SAID SWITCH FOR PROVIDING DRIVE PULSES THERETO, SENSING MEANS OPERATIVELY CONNECTED TO THE DRIVE CIRCUIT OF SAID SWITCH FOR SENSING THE PEAK MAGNITUDE OF DRIVE SIGNAL, AND A DISCONNECT MEANS OPERATIVELY CONNECTED TO SAID SENSING MEANS AND OPERABLE RESPONSIVE TO A PREDETERMINED DECREASE OF SAID PEAK MAGNITUDE TO INTERRUPT POWER TO SAID SWITCH.
Claim 2
Dependent Claim
71 words
A PROTECTIVE CIRCUIT FOR AN ELECTRONIC SWITCH CONNECTED TO A POWER SUPPLY COMPRISING, A PULSER OPERATIVELY CONNECTED TO SAID SWITCH FOR PROVIDING DRIVE PULSES THERETO, SENSING MEANS OPERATIVELY CONNECTED TO THE DRIVE CIRCUIT OF SAID SWITCH FOR SENSING THE PEAK MAGNITUDE OF DRIVE SIGNAL, AND A DISCONNECT MEANS OPERATIVELY CONNECTED TO SAID SENSING MEANS AND OPERABLE RESPONSIVE TO A PREDETERMINED DECREASE OF SAID PEAK MAGNITUDE TO INTERRUPT POWER TO SAID SWITCH.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |