Patent US1897752A successfully refreshed from Google Patents.
Patent US3333470A successfully refreshed from Google Patents.
US3333470A
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Method and apparatus for sensing fluid properties
Assignee: THERMO SYSTEMS Inc
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Filing: 1964-06-01
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Granted: 1967-08-01
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Le Roy M Fingerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:34
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/18; G01N27/185; F; F01; F01D; F01D21/00; F01D21/003; G01K; G01K7/00; G01K7/16; G01K7/18; G01K7/20; G01P; G01P5/00; G01P5/10; G01P5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A FLUID PROPERTIES SENSING APPARATUS COMPRISING IN COMBINATION A PROBE BODY, SAID PROBE BODY HAVING A SENSOR ELEMENT THEREON, SAID PROBE ELEMENT INCLUDING AN ELECTRICALLY CONDUCTIVE SENSING MATERIAL, MEANS CONDUCTIVELY CONNECTED TO THE SENSING MATERIAL FOR SUPPLYING CURRENT THERETO, A THIN CONTINUOUS HOMOGENEOUS INSULATING COATING OF A NONCONDUCTIVE CERAMIC MATERIAL APPLIED OVER THE SURFACE OF THE CONDUCTIVE SENSING ELEMENT AND A
Claim 2
Dependent Claim
61 words
A FLUID PROPERTIES SENSING APPARATUS COMPRISING IN COMBINATION A PROBE BODY, SAID PROBE BODY HAVING A SENSOR ELEMENT THEREON, SAID PROBE ELEMENT INCLUDING AN ELECTRICALLY CONDUCTIVE SENSING MATERIAL, MEANS CONDUCTIVELY CONNECTED TO THE SENSING MATERIAL FOR SUPPLYING CURRENT THERETO, A THIN CONTINUOUS HOMOGENEOUS INSULATING COATING OF A NONCONDUCTIVE CERAMIC MATERIAL APPLIED OVER THE SURFACE OF THE CONDUCTIVE SENSING ELEMENT AND A
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |