US3223887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus
Assignee: Bendix Corp
•
Filing: 1962-06-29
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Granted: 1965-12-14
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 David C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:17
CPC Classifications
F; F02; F02P; F02P15/00; F02P15/001; F02P15/003; H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A SYSTEM FOR GENERATING A SUCCESSION OF ELECTRICAL PULSES COMPRISING A SOURCE OF DIRECT CURRENT, A TRANSFORMER, FIRST CIRCUIT MEANS CONNECTED ACROSS SAID SOURCE, SAID CIRCUIT MEANS INCLUDING THE PRIMARY WINDING OF SAID TRANSFORMER AND A CONDENSER CONNECTED IN SERIES, SECOND CIRCUIT MEANS INCLUDING AN INDUCTOR AND A SWITCHING DEVICE CONNECTED IN SERIES WITH EACH OTHER AN IN PARALLEL WITH SAID CONDENSER, OUTPUT CIRCUIT MEANS INCLUDING THE SECONDARY WINDING OF SAID TRANSFORMER TO RECEIVE ENERGY FROM SAID PRIMARY WINDING WHILE THE CONDENSER IS BEING CHARGED BY SAID SOURCE, MEANS TO RENDER THE SWITCHING DEVICE ALTERNATELY CONDUCTIVE AND NON-CONDUCTIVE WHEREBY ALTERNATELY TO CHARGE AND DISCHARGE THE CONDENSER, AND A DIODE IN THE FIRST CIRCUIT MEANS INTERPOSED BETWEEN SAID PRIMARY WINDING AND A JUNCTION BETWEEN THE CONDENSER AND THE SERIES CONNECTED INDUCTOR AND SWITCHING DEVICE, SAID DIODE PERMITTING CHARGING CURRENT TO FLOW TO THE CONDENSER BUT PREVENTING CONDENSER DISCHARGING CURRENT FROM FLOWING TO SAID PRIMARY WINDING.
Claim 2
Independent Claim
154 words
A SYSTEM FOR GENERATING A SUCCESSION OF ELECTRICAL PULSES COMPRISING A SOURCE OF DIRECT CURRENT, A TRANSFORMER, FIRST CIRCUIT MEANS CONNECTED ACROSS SAID SOURCE, SAID CIRCUIT MEANS INCLUDING THE PRIMARY WINDING OF SAID TRANSFORMER AND A CONDENSER CONNECTED IN SERIES, SECOND CIRCUIT MEANS INCLUDING AN INDUCTOR AND A SWITCHING DEVICE CONNECTED IN SERIES WITH EACH OTHER AN IN PARALLEL WITH SAID CONDENSER, OUTPUT CIRCUIT MEANS INCLUDING THE SECONDARY WINDING OF SAID TRANSFORMER TO RECEIVE ENERGY FROM SAID PRIMARY WINDING WHILE THE CONDENSER IS BEING CHARGED BY SAID SOURCE, MEANS TO RENDER THE SWITCHING DEVICE ALTERNATELY CONDUCTIVE AND NON-CONDUCTIVE WHEREBY ALTERNATELY TO CHARGE AND DISCHARGE THE CONDENSER, AND A DIODE IN THE FIRST CIRCUIT MEANS INTERPOSED BETWEEN SAID PRIMARY WINDING AND A JUNCTION BETWEEN THE CONDENSER AND THE SERIES CONNECTED INDUCTOR AND SWITCHING DEVICE, SAID DIODE PERMITTING CHARGING CURRENT TO FLOW TO THE CONDENSER BUT PREVENTING CONDENSER DISCHARGING CURRENT FROM FLOWING TO SAID PRIMARY WINDING.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |