US3085436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measuring system
Assignee: Halliburton Co
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Filing: 1960-05-02
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Granted: 1963-04-16
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard H Huddleston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:21
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A TEMPERATURE MEASURING SYSTEM COMPRISING, A CURRENT SOURCE HAVING A FIRST AND A SECOND TERMINAL, A FIRST CONSTANT CURRENT FLOW MEANS IN CONNECTION WITH SAID FIRST TERMINAL OF SAID SOURCE, A SECOND AND A THIRD CONSTANT CURRENT FLOW MEANS IN COMMON CONNECTION WITH SAID FIRST CURRENT FLOW MEANS, A TEMPERATURE INSENSITIVE POTENTIAL BALANCE MEANS FOR PROVIDING A SELECTED BALANCE POTENTIAL IN CONNECTION BETWEEN SAID SECOND CONSTANT CURRENT FLOW MEANS AND SAID SECOND TERMINAL OF SAID SOURCE, A TEMPERATURE SENSITIVE POTENTIAL COMPENSATING MEANS FOR PROVIDING A TEMPERATURE RESPONSIVE COMPENSATING POTENTIAL IN CONNECTION BETWEEN SAID THIRD CONSTANT CURRENT FLOW MEANS AND SAID SECOND TERMINAL OF SAID SOURCE, A SENSING THERMOCOUPLE MEANS, A TERMINAL OF FIRST POLARITY OF SAID SENSING THERMOCOUPLE MEANS IN CONNECTION WITH SAID THIRD CONSTANT CURRENT FLOW MEANS AND SAID POTENTIAL COMPENSATING MEANS, A REFERENCE THERMOCOUPLE MEANS, A TERMINAL OF FIRST POLARITY OF SAID REFERENCE THERMOCOUPLE
Claim 2
Dependent Claim
146 words
A TEMPERATURE MEASURING SYSTEM COMPRISING, A CURRENT SOURCE HAVING A FIRST AND A SECOND TERMINAL, A FIRST CONSTANT CURRENT FLOW MEANS IN CONNECTION WITH SAID FIRST TERMINAL OF SAID SOURCE, A SECOND AND A THIRD CONSTANT CURRENT FLOW MEANS IN COMMON CONNECTION WITH SAID FIRST CURRENT FLOW MEANS, A TEMPERATURE INSENSITIVE POTENTIAL BALANCE MEANS FOR PROVIDING A SELECTED BALANCE POTENTIAL IN CONNECTION BETWEEN SAID SECOND CONSTANT CURRENT FLOW MEANS AND SAID SECOND TERMINAL OF SAID SOURCE, A TEMPERATURE SENSITIVE POTENTIAL COMPENSATING MEANS FOR PROVIDING A TEMPERATURE RESPONSIVE COMPENSATING POTENTIAL IN CONNECTION BETWEEN SAID THIRD CONSTANT CURRENT FLOW MEANS AND SAID SECOND TERMINAL OF SAID SOURCE, A SENSING THERMOCOUPLE MEANS, A TERMINAL OF FIRST POLARITY OF SAID SENSING THERMOCOUPLE MEANS IN CONNECTION WITH SAID THIRD CONSTANT CURRENT FLOW MEANS AND SAID POTENTIAL COMPENSATING MEANS, A REFERENCE THERMOCOUPLE MEANS, A TERMINAL OF FIRST POLARITY OF SAID REFERENCE THERMOCOUPLE
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |