US3213328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensor system
Assignee: General Electric Co
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Filing: 1963-04-30
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Granted: 1965-10-19
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William D Ryckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1913; G05D23/20; G05D23/24; G05D23/30; G05D23/303; G05D23/306; H02; H02H; H02H5/00; H02H5/04; H02H5/042; H02H5/043; H05B2203/00; H05B2203/014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
ANM ALTERNATING CURRENT TEMPERATURE SENSOR SYSTEM FOR AN ELECTRICALLY OPERATED HEATING MEANS COMPRISING: (A) A RELAY INCLUDING: (AA) A MAGNETIC CORE, (BB) A FIRST COIL ON SAID CORE, (CC) A SECOND COIL ON SAID CORE IN WHICH A VOLTAGE IS INDUCED UPON ENERGIZATION OF SAID FIRST COIL, AND (DD) CONTACTS FOR CONTROLLING ENERGIZATION OF THE HEATING MEANS OPERATED BY SAID CORE; (B) A TEMPERATURE SENSOR ELEMENT CONNECTED IN ELECTRICAL PARALLEL WITH SAID FIRST COIL AND HAVING AN IMPEDANCE WHICH VARIES WITH THE TEMPERATURE OF THE HEATING MEANS; (C) AN ELECTRICAL IMPEDANCE IN SERIES WITH BOTH SAID FIRST COIL AND SAID SENSOR ELEMENT;
Claim 2
Dependent Claim
102 words
ANM ALTERNATING CURRENT TEMPERATURE SENSOR SYSTEM FOR AN ELECTRICALLY OPERATED HEATING MEANS COMPRISING: (A) A RELAY INCLUDING: (AA) A MAGNETIC CORE, (BB) A FIRST COIL ON SAID CORE, (CC) A SECOND COIL ON SAID CORE IN WHICH A VOLTAGE IS INDUCED UPON ENERGIZATION OF SAID FIRST COIL, AND (DD) CONTACTS FOR CONTROLLING ENERGIZATION OF THE HEATING MEANS OPERATED BY SAID CORE; (B) A TEMPERATURE SENSOR ELEMENT CONNECTED IN ELECTRICAL PARALLEL WITH SAID FIRST COIL AND HAVING AN IMPEDANCE WHICH VARIES WITH THE TEMPERATURE OF THE HEATING MEANS; (C) AN ELECTRICAL IMPEDANCE IN SERIES WITH BOTH SAID FIRST COIL AND SAID SENSOR ELEMENT;
References Cited (Backward Citations)
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US2529118A
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US2565478A
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US2613254A
Cited
US2924754A
Cited
US3114820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |