Patent US4402522A successfully refreshed from Google Patents.
US3393101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouple probe with plural junctions
Assignee: Motors Liquidation Co
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Filing: 1965-06-29
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Granted: 1968-07-16
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Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 John W Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:07
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; G01K7/00; G01K7/02; G01K7/04; G01K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A PROBE ADAPTED TO BE INSERTED INTO A GAS STREAM TO MEASURE THE TEMPERATURE AT VARIOUS POINTS IN SAID GAS STREAM, SAID PROBE COMPRISING: A HEAD INCLUDING A PLURALITY OF ELECTRICAL CONTACT TERMINALS: A HOLLOW TUBE HAVING ONE END SECURED TO SAID HEAD PORTION AND ITS OTHER END ADAPTED TO EXEND INTO SAID GAS STREAM, SAID TUBE HAVING A PLURALITY OF SLOTS THROUGH A PORTION OF ITS CIRCUMFERENCE AND SPACED ALONG ITS LENGTH DEFINING DISCRETE BRIDGE PORTIONS OF THE TUBE BETWEEN SAID SLOTS AND ALLOWING THE GAS FROM SAID GAS STREAM TO FLOW INTO AND THROUGH SAID TUBE; A PLURALITY OF CONDUCTOR WIRES WITHIN SAID TUBE JOINED AT ONE END TO SAID RESPECTIVE BRIDGE PORTIONS TO FORM THERMOCOUPLE JUNCTIONS WITH SAID TUBE AT POINTS ALONG THE LENGTH OF SAID TUBE AND CONNECTED AT THE OTHER END WITH SAID CONTACT TERMINALS, SAID WIRES BEING FORMED OF A MATERIAL JOTHER THAN THE MATERIAL OF SAID TUBE; AND A CONNECTOR WIRE OF THE SAME MATERIAL AS SAID TUBE FIXED AT ONE END TO SAID TUBE AND TO ONE OF SAID PLURALITY OF ELECTRICAL CONTACTS AT ITS OTHER END.
Claim 2
Dependent Claim
185 words
A PROBE ADAPTED TO BE INSERTED INTO A GAS STREAM TO MEASURE THE TEMPERATURE AT VARIOUS POINTS IN SAID GAS STREAM, SAID PROBE COMPRISING: A HEAD INCLUDING A PLURALITY OF ELECTRICAL CONTACT TERMINALS: A HOLLOW TUBE HAVING ONE END SECURED TO SAID HEAD PORTION AND ITS OTHER END ADAPTED TO EXEND INTO SAID GAS STREAM, SAID TUBE HAVING A PLURALITY OF SLOTS THROUGH A PORTION OF ITS CIRCUMFERENCE AND SPACED ALONG ITS LENGTH DEFINING DISCRETE BRIDGE PORTIONS OF THE TUBE BETWEEN SAID SLOTS AND ALLOWING THE GAS FROM SAID GAS STREAM TO FLOW INTO AND THROUGH SAID TUBE; A PLURALITY OF CONDUCTOR WIRES WITHIN SAID TUBE JOINED AT ONE END TO SAID RESPECTIVE BRIDGE PORTIONS TO FORM THERMOCOUPLE JUNCTIONS WITH SAID TUBE AT POINTS ALONG THE LENGTH OF SAID TUBE AND CONNECTED AT THE OTHER END WITH SAID CONTACT TERMINALS, SAID WIRES BEING FORMED OF A MATERIAL JOTHER THAN THE MATERIAL OF SAID TUBE; AND A CONNECTOR WIRE OF THE SAME MATERIAL AS SAID TUBE FIXED AT ONE END TO SAID TUBE AND TO ONE OF SAID PLURALITY OF ELECTRICAL CONTACTS AT ITS OTHER END.
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |