Patent US3358147A successfully refreshed from Google Patents.
US3358147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus with time delay using rectifier
Assignee: —
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Filing: —
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Granted: 1967-12-12
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Expires: 1984-12-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F23N5/12; F23N5/123; F23N5/20; F23N5/203; F23N5/24; F23N5/242; F23N2223/00; F23N2227/00; F23N2229/00; F23N2231/00; F23N2231/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONDITION SENSING SYSTEM COMPRISING A CONDITION SENSOR, SIGNAL MODIFYING CIRCUITRY CONNECTED TO SAID SENSOR, AN OUTPUT DEVICE RESPONSIVE TO SIGNAL FROM SAID SIGNAL MODIFYING CIRCUITRY WHEN SAID SENSOR SENSES A CONDITION, A LOAD DEVICE, THERMOINIC RECTIFYING MEANS CONNECTED IN SERIES WITH SAID LOAD DEVICE, SAID THERMIONIC RECTIFYING MEANS INCLUDING A HEATER, AND MEANS RESPONSIVE TO SAID OUTPUT DEVICE TO ENERGIZE SAID HEATER AND TO CONNECT SAID THERMIONIC RECTIFYING MEANS AND SAID LOAD DEVICE IN ENERGIZED CIRCUIT RELATIONSHIP ALTERNATELY AS A FUNCTION OF THE OUTPUT SIGNAL FROM SAID CONDITION SENSOR.
Claim 2
Dependent Claim
90 words
A CONDITION SENSING SYSTEM COMPRISING A CONDITION SENSOR, SIGNAL MODIFYING CIRCUITRY CONNECTED TO SAID SENSOR, AN OUTPUT DEVICE RESPONSIVE TO SIGNAL FROM SAID SIGNAL MODIFYING CIRCUITRY WHEN SAID SENSOR SENSES A CONDITION, A LOAD DEVICE, THERMOINIC RECTIFYING MEANS CONNECTED IN SERIES WITH SAID LOAD DEVICE, SAID THERMIONIC RECTIFYING MEANS INCLUDING A HEATER, AND MEANS RESPONSIVE TO SAID OUTPUT DEVICE TO ENERGIZE SAID HEATER AND TO CONNECT SAID THERMIONIC RECTIFYING MEANS AND SAID LOAD DEVICE IN ENERGIZED CIRCUIT RELATIONSHIP ALTERNATELY AS A FUNCTION OF THE OUTPUT SIGNAL FROM SAID CONDITION SENSOR.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |