Patent US3289040A successfully refreshed from Google Patents.
US3289040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current pulsing circuit
Assignee: Elox Corporation of Michigan
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Filing: 1962-06-21
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Granted: 1966-11-29
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Pfau Jean
- 👤 Rhyner Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:05
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/02; B23H1/022; H; H02; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/122; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/30; H03; H03K; H03K17/00; H03K17/08; H03K17/082; H03K17/0826; H03K17/12; H03K17/18; H03K17/51; H03K17/56; H03K17/60; H03K17/601
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN AN ELETRICAL CIRCUIT COMPRISING A MAIN VOLTAGE SUPPLY, A LOAD, AND AT LEAST ONE ELECTRONIC SWITCHING MEANS, A CONTROL ELECTRODE AND HAVING ITS SUPPLY AND THE LOAD, A CONTIVELY CONNECTED BETWEEN SAID SUPPLY AND THE LOAD, A CONTROL CIRCUIT COMPRISING A PULSING MEANS OPERABLE TO PROVIDE TRIGGERING PULSES FOR RENDERING SAID SWITCHING MEANS PERIODICALLY CONDUCTIVE TO DELIVER POWER PULSES TO THE LOAD, MEANS OPERATIVELY CONNECTED ACROSS THE POWER ELECTRODES OF SAID SWITCHING MEANS AND OPERATIVELY CONNECTED TO THE CONTROL ELECTRODE OF SAID SWITCHING MEANS FOR MAINTAINING IT CONDUCTIVE A PREDETERMINED TIME AFTER ITS BEING RENDERED CONDUCTIVE BY SAID PULSING MEANS, SAID LASTMENTIONED MEANS OPERABLE RESPONSIVE TO VOLTAGE DROP ACROSS SAID POWER ELECTRODES ABOVE A PREDETERMINED LEVEL TO RENDER SAID SWITCHING MEANS INSTANTANEOUSLY NONCONDUCTIVE.
Claim 2
Dependent Claim
124 words
IN AN ELETRICAL CIRCUIT COMPRISING A MAIN VOLTAGE SUPPLY, A LOAD, AND AT LEAST ONE ELECTRONIC SWITCHING MEANS, A CONTROL ELECTRODE AND HAVING ITS SUPPLY AND THE LOAD, A CONTIVELY CONNECTED BETWEEN SAID SUPPLY AND THE LOAD, A CONTROL CIRCUIT COMPRISING A PULSING MEANS OPERABLE TO PROVIDE TRIGGERING PULSES FOR RENDERING SAID SWITCHING MEANS PERIODICALLY CONDUCTIVE TO DELIVER POWER PULSES TO THE LOAD, MEANS OPERATIVELY CONNECTED ACROSS THE POWER ELECTRODES OF SAID SWITCHING MEANS AND OPERATIVELY CONNECTED TO THE CONTROL ELECTRODE OF SAID SWITCHING MEANS FOR MAINTAINING IT CONDUCTIVE A PREDETERMINED TIME AFTER ITS BEING RENDERED CONDUCTIVE BY SAID PULSING MEANS, SAID LASTMENTIONED MEANS OPERABLE RESPONSIVE TO VOLTAGE DROP ACROSS SAID POWER ELECTRODES ABOVE A PREDETERMINED LEVEL TO RENDER SAID SWITCHING MEANS INSTANTANEOUSLY NONCONDUCTIVE.
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |