US3262314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for testing thermostat operation
Assignee: Motors Liquidation Co
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Filing: 1963-08-08
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Granted: 1966-07-26
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 James L Gregg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:04
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921; F; F01; F01P; F01P11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN TESTING MEANS, A FIRST TEMPERATURE RESPONSIVE RESISTANCE ELEMEENT ADAPTED TO BE MOUNTED ON AN INTERNAL COMBUSTION ENGINE BLOCK, A SECOND TEMPERATURE RESPONSIVE RESISTIVE ELEMENT ADAPTED TO BE SUPPORTED IN THE FLUID IN THE RADIATOR OF A VEHICLE, A BRIDGE CIRCUIT IN WHICH THE FIRST AND SECOND TEMPERATURE RESPONSIVE RESISTANCES FORM TWO OF THE ARMS, SAID BRIDGE CIRCUIT HAVING AN INPUT AND AN OUTPUT CIRCUIT, A SOURCE OF ELECTRICAL VOLTAGE CONNECTED ACROSS THE INPUT CIRCUIT OF THE BRIDGE, CURRENT INDICATING MEANS CONNECTED ACROSS THE OUTPUT CIRCUIT OF THE BRIDGE, A SECOND CURRENT INDICATING MEANS CONNECTED BETWEEN THE SOURCE OF ELECTRICAL VOLTAGE AND THE OUTPUT CIRCUIT OF THE BRIDGE SO THAT THE FIRST CURRENT INDICATING MEANS WILL INDICATE THE DIFFERENCE IN TEMPERATURE BETWEEN THE ENGINE BLOCK AND RADIATOR FLUID AND THE SECOND CUR-
Claim 2
Dependent Claim
132 words
IN TESTING MEANS, A FIRST TEMPERATURE RESPONSIVE RESISTANCE ELEMEENT ADAPTED TO BE MOUNTED ON AN INTERNAL COMBUSTION ENGINE BLOCK, A SECOND TEMPERATURE RESPONSIVE RESISTIVE ELEMENT ADAPTED TO BE SUPPORTED IN THE FLUID IN THE RADIATOR OF A VEHICLE, A BRIDGE CIRCUIT IN WHICH THE FIRST AND SECOND TEMPERATURE RESPONSIVE RESISTANCES FORM TWO OF THE ARMS, SAID BRIDGE CIRCUIT HAVING AN INPUT AND AN OUTPUT CIRCUIT, A SOURCE OF ELECTRICAL VOLTAGE CONNECTED ACROSS THE INPUT CIRCUIT OF THE BRIDGE, CURRENT INDICATING MEANS CONNECTED ACROSS THE OUTPUT CIRCUIT OF THE BRIDGE, A SECOND CURRENT INDICATING MEANS CONNECTED BETWEEN THE SOURCE OF ELECTRICAL VOLTAGE AND THE OUTPUT CIRCUIT OF THE BRIDGE SO THAT THE FIRST CURRENT INDICATING MEANS WILL INDICATE THE DIFFERENCE IN TEMPERATURE BETWEEN THE ENGINE BLOCK AND RADIATOR FLUID AND THE SECOND CUR-
References Cited (Backward Citations)
US2947938A
Cited
US2976729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |