US3262014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equipment protection means
Assignee: Wagner Electric Corp
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Filing: 1962-02-05
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Granted: 1966-07-19
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 Conner Leonard Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/085; H02H7/0852; H02H3/00; H02H3/02; H02H3/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A CONDITION RESPONSIVE CIRCUIT FOR CONTROLLING THE THE ENERGIZATION AND DE-ENERGIZATION OF AN ELECTRICAL DEVICE IN RESPONSE TO PREDETERMINED CHANGES IN A PRESELECTED CONDITION COMPRISING A PAIR OF TRANSISTOR AMPLIFIER STAGES EACH HAVING INPUT AND OUTPUT CIRCUITS, CONDITION SENSING MEANS RESPONSIVE TO SAID CONDITION COUPLED IN THE INPUT CIRCUIT OF ONE OF SAID STAGES TO CONTROL THE OUTPUT THEREOF IN RESPONSE TO CHANGES IN SAID CONDITION, MEANS COUPLING THE INPUT CIRCUIT OF THE OTHER OF SAID STAGES TO THE OUTPUT CIRCUIT OF SAID ONE STAGE TO CONTROL THE OUTPUT THEREOF IN RESPONSE TO THE OUTPUT OF SAID ONE STAGE, FEEDBACK CIRCUIT MEANS COUPLED BETWEEN THE OUTPUT CIRCUIT OF SAID OTHER STAGE AND THE INPUT CIRCUIT OF SAID ONE STAGE TO PROVIDE POSITIVE FEEDBACK BETWEEN SAID STAGES, CIRCUIT MEANS RESPONSIVE TO THE OUTPUT OF SAID OTHER STAGE CONNECTED TO SAID ELECTRIC DEVICE TO EFFECT OPERATION OF SAID ELECTRIC DEVICE IN RESPONSE TO THE OUTPUT OF SAID OTHER STAGE, AND ANOTHER TRANSISTOR AMPLIFIER STAGE HAVING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, THE INPUT CIRCUIT OF SAID ANOTHER STAGE BEING COUPLED TO SAID SENSING MEANS, THE OUTPUT OF SAID ANOTHER STAGE BEING COUPLED TO SAID CIRCUIT MEANS AND BEING RESPONSIVE TO A PREDETERMINED CONDITION OF SAID SENSING MEANS TO EFFECT DE-ENERGIZATION OF SAID ELECTRIC DEVICE UPON THE OCCURRENCE OF SAID PREDETERMINED CONDITION OF SAID SENSING MEANS INDEPENDENTLY OF SAID OTHER STAGE.
Claim 2
Dependent Claim
229 words
A CONDITION RESPONSIVE CIRCUIT FOR CONTROLLING THE THE ENERGIZATION AND DE-ENERGIZATION OF AN ELECTRICAL DEVICE IN RESPONSE TO PREDETERMINED CHANGES IN A PRESELECTED CONDITION COMPRISING A PAIR OF TRANSISTOR AMPLIFIER STAGES EACH HAVING INPUT AND OUTPUT CIRCUITS, CONDITION SENSING MEANS RESPONSIVE TO SAID CONDITION COUPLED IN THE INPUT CIRCUIT OF ONE OF SAID STAGES TO CONTROL THE OUTPUT THEREOF IN RESPONSE TO CHANGES IN SAID CONDITION, MEANS COUPLING THE INPUT CIRCUIT OF THE OTHER OF SAID STAGES TO THE OUTPUT CIRCUIT OF SAID ONE STAGE TO CONTROL THE OUTPUT THEREOF IN RESPONSE TO THE OUTPUT OF SAID ONE STAGE, FEEDBACK CIRCUIT MEANS COUPLED BETWEEN THE OUTPUT CIRCUIT OF SAID OTHER STAGE AND THE INPUT CIRCUIT OF SAID ONE STAGE TO PROVIDE POSITIVE FEEDBACK BETWEEN SAID STAGES, CIRCUIT MEANS RESPONSIVE TO THE OUTPUT OF SAID OTHER STAGE CONNECTED TO SAID ELECTRIC DEVICE TO EFFECT OPERATION OF SAID ELECTRIC DEVICE IN RESPONSE TO THE OUTPUT OF SAID OTHER STAGE, AND ANOTHER TRANSISTOR AMPLIFIER STAGE HAVING AN INPUT CIRCUIT AND AN OUTPUT CIRCUIT, THE INPUT CIRCUIT OF SAID ANOTHER STAGE BEING COUPLED TO SAID SENSING MEANS, THE OUTPUT OF SAID ANOTHER STAGE BEING COUPLED TO SAID CIRCUIT MEANS AND BEING RESPONSIVE TO A PREDETERMINED CONDITION OF SAID SENSING MEANS TO EFFECT DE-ENERGIZATION OF SAID ELECTRIC DEVICE UPON THE OCCURRENCE OF SAID PREDETERMINED CONDITION OF SAID SENSING MEANS INDEPENDENTLY OF SAID OTHER STAGE.
References Cited (Backward Citations)
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US2915628A
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US2956179A
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US3032690A
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US3164755A
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |