US3340527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition monitoring system
Assignee: TECHNICAL MARKETING ASSOCIATES
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Filing: 1965-01-13
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Granted: 1967-09-05
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Expires: 1985-01-13
Abstract
No abstract record available.
Inventors
- 👤 William G Rowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:12
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/24; F23N5/245; G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/246; G01F23/247; G08; G08B; G08B17/00; G08B17/06; G08B29/00; G08B29/02; G08B29/04; F23N2225/00; F23N2225/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
APPARATUS COMPRISING INPUT POWER MEANS, A FIRST RELAY, A RECTIFIER AND A FIRST CAPACITOR SERIALLY CONNECTED, A SECOND RELAY HAVING SWITCHING MEANS FOR CONNECTION SAID POWER MEANS TO SAID RECTIFIER AND SAID FIRST CAPACITOR AND SIMULTANEOUSLY CONNECTING THE POWER MEANS TO THE COIL OF THE FIRST RELAY, SAID FIRST RELAY BEING ENERGIZED BY THE APPLICATION OF SAID POWER THERETO, A THERMISTOR, SAID FIRST ENERGIZATION OF SAID RELAY CONNECTING SAID THERMISTOR TO SAID POWER MEANS TO INTERNALLY HEAT SAID THERMISTOR, A THIRD, AND A FOURTH RELAY, THE INTERNAL HEATING OF SAID THERMISTOR CAUSING THE ENERGIZING OF THE THIRD RELAY, ENERGIZING OF THE THIRD RELAY CONNECTING THE SECOND RELAY TO SAID POWER MEANS, THE ENERGIZING OF SAID SECOND RELAY
Claim 2
Dependent Claim
117 words
APPARATUS COMPRISING INPUT POWER MEANS, A FIRST RELAY, A RECTIFIER AND A FIRST CAPACITOR SERIALLY CONNECTED, A SECOND RELAY HAVING SWITCHING MEANS FOR CONNECTION SAID POWER MEANS TO SAID RECTIFIER AND SAID FIRST CAPACITOR AND SIMULTANEOUSLY CONNECTING THE POWER MEANS TO THE COIL OF THE FIRST RELAY, SAID FIRST RELAY BEING ENERGIZED BY THE APPLICATION OF SAID POWER THERETO, A THERMISTOR, SAID FIRST ENERGIZATION OF SAID RELAY CONNECTING SAID THERMISTOR TO SAID POWER MEANS TO INTERNALLY HEAT SAID THERMISTOR, A THIRD, AND A FOURTH RELAY, THE INTERNAL HEATING OF SAID THERMISTOR CAUSING THE ENERGIZING OF THE THIRD RELAY, ENERGIZING OF THE THIRD RELAY CONNECTING THE SECOND RELAY TO SAID POWER MEANS, THE ENERGIZING OF SAID SECOND RELAY
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |