US3239722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control system
Assignee: GV Controls Inc
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Filing: 1961-04-04
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Granted: 1966-03-08
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Murray I Menkis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:01
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
AN ELECTRICAL CONTROL SYSTEM COMPRISING, IN COMBINATION, TWO ELECTRIC-ENERGY STORING DEVICES; A CIRCUIT THROUGH WHICH THE FIRST STORING DEVICE MAY BE CHARGED AND A CIRCUIT THROUGH WHICH THE SECOND STORING DEVICE MAY BE CHARGED; DISCHARGE MEANS NORMALLY EFFECTIVE WITH RESPECT TO THE FIRST ONLY OF THE STORING DEVICES; AN ELECTRIC BREAKDOWN DEVICE OPERATIVELY CONNECTED WITH THE STORING DEVICES AND INCLUDING A PATH IN AND ACROSS WHICH THERE MAY OCCUR THE BREAKDOWN PHENOMENON OF JOINT CURRENT INCREASE AND TERMINAL-VOLTAGE DECREASE,SAID ELECTRIC BREAKDOWN DEVICE BEING RESPONSIVE TO VOLTAGE DIFFERENTIAL, BETWEEN THE CHARGES OF THE FIRST AND SECOND STORING DEVICES LYING ON THE OPPOSITE SIDE OF A CRITICAL VALUE FROM THAT DIFFERENTIAL AS IT EXISTS WHEN THE STORING DEVICES ARE CHARGED, SAID PATH BEING DISPOSED IN DISCHARGING RELATIONSHIP TO THE SECOND STORING DEVICE; AN ELECTRICAL CONTROL DEVICE TO WHICH TWO DIFFERENT ENERGIZATIONS MAY BE APPLIED AND WHICH ASSUMES ONE OR THE OTHER OF TWO CONDITIONS ACCORDING TO WHICH OF SAID ENERGIZATIONS WAS LAST APPLIED; MEANS RESPONSIVE TO THE FLOW OF CURRENT IN AT LEAST ONE OF SAID CHARGING CIRCUITS FOR APPLYING ONE OF SAID ENERGIZATIONS TO SAID CONTROL DEVICE; AND MEANS RESPONSIVE TO THE FLOW OF SUBSTANTIAL CURRENT IN SAID PATH FOR APPLYING THE OTHER OF SAID ENERGIZATIONS TO SAID CONTROL DEVICE.
Claim 2
Dependent Claim
209 words
AN ELECTRICAL CONTROL SYSTEM COMPRISING, IN COMBINATION, TWO ELECTRIC-ENERGY STORING DEVICES; A CIRCUIT THROUGH WHICH THE FIRST STORING DEVICE MAY BE CHARGED AND A CIRCUIT THROUGH WHICH THE SECOND STORING DEVICE MAY BE CHARGED; DISCHARGE MEANS NORMALLY EFFECTIVE WITH RESPECT TO THE FIRST ONLY OF THE STORING DEVICES; AN ELECTRIC BREAKDOWN DEVICE OPERATIVELY CONNECTED WITH THE STORING DEVICES AND INCLUDING A PATH IN AND ACROSS WHICH THERE MAY OCCUR THE BREAKDOWN PHENOMENON OF JOINT CURRENT INCREASE AND TERMINAL-VOLTAGE DECREASE,SAID ELECTRIC BREAKDOWN DEVICE BEING RESPONSIVE TO VOLTAGE DIFFERENTIAL, BETWEEN THE CHARGES OF THE FIRST AND SECOND STORING DEVICES LYING ON THE OPPOSITE SIDE OF A CRITICAL VALUE FROM THAT DIFFERENTIAL AS IT EXISTS WHEN THE STORING DEVICES ARE CHARGED, SAID PATH BEING DISPOSED IN DISCHARGING RELATIONSHIP TO THE SECOND STORING DEVICE; AN ELECTRICAL CONTROL DEVICE TO WHICH TWO DIFFERENT ENERGIZATIONS MAY BE APPLIED AND WHICH ASSUMES ONE OR THE OTHER OF TWO CONDITIONS ACCORDING TO WHICH OF SAID ENERGIZATIONS WAS LAST APPLIED; MEANS RESPONSIVE TO THE FLOW OF CURRENT IN AT LEAST ONE OF SAID CHARGING CIRCUITS FOR APPLYING ONE OF SAID ENERGIZATIONS TO SAID CONTROL DEVICE; AND MEANS RESPONSIVE TO THE FLOW OF SUBSTANTIAL CURRENT IN SAID PATH FOR APPLYING THE OTHER OF SAID ENERGIZATIONS TO SAID CONTROL DEVICE.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |