US3240997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply
Assignee: North American Aviation Corp
•
Filing: 1962-10-02
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Granted: 1966-03-15
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Charles E Burgi
- 👤 Jee G Wong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:03
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/565; G05F1/569; G05F1/573
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
FOR USE WITH A POWER SUPPLY HAVING A LOAD AND A REGULATING ELEMENT, PROTECTIVE CIRCUIT COMPRISING A SERIES-RESISTANCE IN SERIES WITH SAID POWER SUPPLY AND LOAD FOR SENSING EXCESSIVELY LARGE CURRENTS, AND PRODUCING A FIRST ENERGIZING SIGNAL; A VOLTAGE-DIVIDER SHUNT CONNECTED ACROSS THE OUTPUT OF SAID POWER AND IN PARALLEL CIRCUIT WITH SAID SERIESINTERCONNECTED SERIES RESISTANCE AND LOAD SUPPLY FOR SENSING A LOWER-THAN-NORMAL POWER SUPPLY VOLTAGE, AND PRODUCING A SECOND ENERGIZING SIGNAL; A PROTECTIVE CIRCUIT, COMPRISING AN ELECTRON-DISCHARGE DEVICE; MEANS FOR APPLYING SAID ENERGIZING SIGNALS TO SELECTED CONTROL ELECTRODES OF SAID ELECTRON-DISCHARGE DEVICE; AND MEANS FOR CONNECTING A SELECTED OUTPUT ELECTRODE
Claim 2
Dependent Claim
101 words
FOR USE WITH A POWER SUPPLY HAVING A LOAD AND A REGULATING ELEMENT, PROTECTIVE CIRCUIT COMPRISING A SERIES-RESISTANCE IN SERIES WITH SAID POWER SUPPLY AND LOAD FOR SENSING EXCESSIVELY LARGE CURRENTS, AND PRODUCING A FIRST ENERGIZING SIGNAL; A VOLTAGE-DIVIDER SHUNT CONNECTED ACROSS THE OUTPUT OF SAID POWER AND IN PARALLEL CIRCUIT WITH SAID SERIESINTERCONNECTED SERIES RESISTANCE AND LOAD SUPPLY FOR SENSING A LOWER-THAN-NORMAL POWER SUPPLY VOLTAGE, AND PRODUCING A SECOND ENERGIZING SIGNAL; A PROTECTIVE CIRCUIT, COMPRISING AN ELECTRON-DISCHARGE DEVICE; MEANS FOR APPLYING SAID ENERGIZING SIGNALS TO SELECTED CONTROL ELECTRODES OF SAID ELECTRON-DISCHARGE DEVICE; AND MEANS FOR CONNECTING A SELECTED OUTPUT ELECTRODE
References Cited (Backward Citations)
US3096475A
Cited
US3122697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |