US3195044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistance-change temperature-measuring apparatus for motor windings and the like
Assignee: Texas Instruments Inc
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Filing: 1960-03-29
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Granted: 1965-07-13
•
Expires: 1980-03-29
Abstract
No abstract record available.
Inventors
- 👤 Charles D Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:38
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/18; G01K7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
RESISTANCE-CHANGE TEMPERATURE-MEASURING APPARATUS FOR A CONDUCTIVE DEVICE, COMPRISING A POTENTIOMETER, A RESISTANCE BRIDGE, SAID BRIDGE INCLUDING FIRST, SECOND, THIRD AND FOURTH CONDUCTIVE ARMS HAVING FIRST, SECOND, THIRD AND FOURTH JUNCTIONS THEREBETWEEN, A POWER CIRCUIT WHICH WHEN ENERGIZED PASSES HEATING CURRENT THROUGH SAID DEVICE, A BALLAST RESISTANCE, A TIME-DELAY RELAY CIRCUIT RESPONSIVE TO ENERGIZATION OF SAID POWER CIRCUIT FOR INSERTING SAID BALLAST RESISTANCE INTO THE FIRST ARM OF THE RESISTANCE BRIDGE WHEN SAID POWER CIRCUIT IS ENERGIZED AND REMOVING THE BALLAST RESISTANCE FROM SAID FIRST ARM OF THE RESISTANCE BRIDGE AND, WITH TIME DELAY, TRANSFERRING SAID DEVICE FROM THE POWER CIRCUIT TO SAID FIRST BRIDGE ARM WHEN SAID POWER CIRCUIT IS DEENERGIZED, TWO SERIES-CON-
Claim 2
Dependent Claim
113 words
RESISTANCE-CHANGE TEMPERATURE-MEASURING APPARATUS FOR A CONDUCTIVE DEVICE, COMPRISING A POTENTIOMETER, A RESISTANCE BRIDGE, SAID BRIDGE INCLUDING FIRST, SECOND, THIRD AND FOURTH CONDUCTIVE ARMS HAVING FIRST, SECOND, THIRD AND FOURTH JUNCTIONS THEREBETWEEN, A POWER CIRCUIT WHICH WHEN ENERGIZED PASSES HEATING CURRENT THROUGH SAID DEVICE, A BALLAST RESISTANCE, A TIME-DELAY RELAY CIRCUIT RESPONSIVE TO ENERGIZATION OF SAID POWER CIRCUIT FOR INSERTING SAID BALLAST RESISTANCE INTO THE FIRST ARM OF THE RESISTANCE BRIDGE WHEN SAID POWER CIRCUIT IS ENERGIZED AND REMOVING THE BALLAST RESISTANCE FROM SAID FIRST ARM OF THE RESISTANCE BRIDGE AND, WITH TIME DELAY, TRANSFERRING SAID DEVICE FROM THE POWER CIRCUIT TO SAID FIRST BRIDGE ARM WHEN SAID POWER CIRCUIT IS DEENERGIZED, TWO SERIES-CON-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |