US3198989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic switch device with commutating capacitor
Assignee: AMF Inc
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Filing: 1961-03-30
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Granted: 1965-08-03
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 William J Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:27
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; H02; H02H; H02H3/00; H02H3/02; H02H3/06; H02H3/08; H02H3/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN AN ELECTRICAL APPARATUS FOR COMMUTATING A CONTROLLED RECTIFIER WHICH WHEN CONDUCTING SUPPLIES ENERGIZING CURRENT TO A LOAD FROM A SOURCE OF POWER, THE COMBINATION WITH THE LOAD OF A FIRST AND SECOND ELECTRICAL STORAGE DEVICE, CHARGING MEANS CONNECTED TO SAID SECOND STORAGE DEVICE TO CHARGE THAT STORAGE DEVICE FROM SAID SOURCE WHEN THE CONTROLLED RECTIFIER IS NONCONDUCTING, TRANSFER CIRCUIT MEANS CONNECTED TO SAID FIRST AND SECOND STORAGE DEVICES TO TRANSFER STORED ELECTRICAL ENERGY FROM SAID SECOND STORAGE DEVICE TO SAID FIRST ELECTRICAL STORAGE DEVICE WHEN THE CONTROLLED RECTIFIER IS CONDUCTING, AND COMMUTATING CIRCUIT MEANS INCLUDING SAID FIRST STORAGE DEVICE FOR SELECTIVELY CONNECTING SAID FIRST STORAGE DEVICE SO CHARGED TO THE CONTROLLED RECTIFIER TO COMMUTATE THAT RECTIFIER WHEN CONDUCTING TO SUPPLY SAID LOAD, WHENEVER A PREDETERMINED UNDESIRED ELECTRICAL CONDITION EXISTS IN SAID LOAD.
Claim 2
Dependent Claim
133 words
IN AN ELECTRICAL APPARATUS FOR COMMUTATING A CONTROLLED RECTIFIER WHICH WHEN CONDUCTING SUPPLIES ENERGIZING CURRENT TO A LOAD FROM A SOURCE OF POWER, THE COMBINATION WITH THE LOAD OF A FIRST AND SECOND ELECTRICAL STORAGE DEVICE, CHARGING MEANS CONNECTED TO SAID SECOND STORAGE DEVICE TO CHARGE THAT STORAGE DEVICE FROM SAID SOURCE WHEN THE CONTROLLED RECTIFIER IS NONCONDUCTING, TRANSFER CIRCUIT MEANS CONNECTED TO SAID FIRST AND SECOND STORAGE DEVICES TO TRANSFER STORED ELECTRICAL ENERGY FROM SAID SECOND STORAGE DEVICE TO SAID FIRST ELECTRICAL STORAGE DEVICE WHEN THE CONTROLLED RECTIFIER IS CONDUCTING, AND COMMUTATING CIRCUIT MEANS INCLUDING SAID FIRST STORAGE DEVICE FOR SELECTIVELY CONNECTING SAID FIRST STORAGE DEVICE SO CHARGED TO THE CONTROLLED RECTIFIER TO COMMUTATE THAT RECTIFIER WHEN CONDUCTING TO SUPPLY SAID LOAD, WHENEVER A PREDETERMINED UNDESIRED ELECTRICAL CONDITION EXISTS IN SAID LOAD.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |