Patent US3200307A successfully refreshed from Google Patents.
US3200307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current signal receiver
Assignee: International Standard Electric Corp
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Filing: 1962-06-11
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Granted: 1965-08-10
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Simon Stephane Marcel C Victor
- 👤 Boeve Marcel Corneel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:55
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/44; H04Q1/442; H04Q1/4423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ALTERNATING CURRENT SIGNAL RECEIVER COMPRISING AND INPUT CIRCUIT HAVING A CAPACITOR AND A PRIMARY WINDING TUNED TO THE FREQUENCY OF SAID ALTERNATING CURRENT, A SECONDARY WINDING INDUCTIVELY COUPLED TO THE PRIMARY WINDING, THE MID-POINT OF SAID SECONDARY WINDING BEING CONNECTED TO ONE END OF A RESISTANCE IN PARALLEL WITH A CAPACITOR GROUND BEING CONNECTED TO THE OTHER END OF SAID PARALLEL CIRCUIT, MEANS COMPRISING A PAIR OF DIODES OF COUPLING THE TWO ENDS OF SAID SECONDARY WINDING TO A CONTROL ELECTRODE OF AN ELECTRONIC SWITCHING DEVICE, THE
Claim 2
Dependent Claim
88 words
AN ALTERNATING CURRENT SIGNAL RECEIVER COMPRISING AND INPUT CIRCUIT HAVING A CAPACITOR AND A PRIMARY WINDING TUNED TO THE FREQUENCY OF SAID ALTERNATING CURRENT, A SECONDARY WINDING INDUCTIVELY COUPLED TO THE PRIMARY WINDING, THE MID-POINT OF SAID SECONDARY WINDING BEING CONNECTED TO ONE END OF A RESISTANCE IN PARALLEL WITH A CAPACITOR GROUND BEING CONNECTED TO THE OTHER END OF SAID PARALLEL CIRCUIT, MEANS COMPRISING A PAIR OF DIODES OF COUPLING THE TWO ENDS OF SAID SECONDARY WINDING TO A CONTROL ELECTRODE OF AN ELECTRONIC SWITCHING DEVICE, THE
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |