Patent US3201685A successfully refreshed from Google Patents.
US3201685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductivity probe
Assignee: Remwood Chemical Co
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Filing: 1961-09-22
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Granted: 1965-08-17
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Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/06; G01N27/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A CONDUCTIVITY PROBE FOR USE IN DETECTING THE CONDUCTIVITY OF A CHEMICAL SOLUTION, COMPRISING, A BODY OF INERT INSULATING MATERIAL; A FIRST AND A SECOND METALLIC CONDUCTIVITY CONDUCTOR SUPPORTED WITHIN SAID BODY, SAID CONDUCTIVITY CONDUCTORS COMPOSED OF A METAL CHEMICALLY INERT TO SAID SOLUTION, SAID FIRST AND SECOND METALLIC CONDUCTIVITY CONDUCTORS EACH HAVING AN END PORTION EXTENDING BEYOND THE EXTERIOR SURFACE OF SAID BODY IN SPACED RELATIONSHIP WITH EACH OTHER ADAPTABLE FOR CONTACTING SAID SOLUTION; AND FIRST AND SECOND INSULATED DETECTOR CONDUCTORS EACH HAVING ONE END EXTENDING WITHIN SAID BODY IN JUXTAPOSED RELATIONSHIP TO SAID METALLIC CONDUCTIVITY CONDUCTORS, SAID DETECTOR CONDUCTORS HAVING A METAL CORE COVERED WITH AN INSULATING COVER, AND SAID METAL CORE OF SAID FIRST DETECTOR CONDUCTOR ELECTRICALLY CONTACTING SAID FIRST METALLIC CONDUCTIVITY CONDUCTOR WITHIN SAID BODY AND SAID METAL CORE OF SAID SECOND DETECTOR CONDUCTOR ELECTRICALLY CONTACTING SAID SECOND METALLIC CONDUCTIVITY CONDUCTOR WITHIN SAID BODY, SAID INSULATED DETECTOR CONDUCTORS AND SAID CONDUCTIVITY CONDUCTORS EXTENDING FROM THE SAME SURFACE OF SAID BODY AND SUBSTANTIALLY IN THE SAME PLANE.
Claim 2
Dependent Claim
170 words
A CONDUCTIVITY PROBE FOR USE IN DETECTING THE CONDUCTIVITY OF A CHEMICAL SOLUTION, COMPRISING, A BODY OF INERT INSULATING MATERIAL; A FIRST AND A SECOND METALLIC CONDUCTIVITY CONDUCTOR SUPPORTED WITHIN SAID BODY, SAID CONDUCTIVITY CONDUCTORS COMPOSED OF A METAL CHEMICALLY INERT TO SAID SOLUTION, SAID FIRST AND SECOND METALLIC CONDUCTIVITY CONDUCTORS EACH HAVING AN END PORTION EXTENDING BEYOND THE EXTERIOR SURFACE OF SAID BODY IN SPACED RELATIONSHIP WITH EACH OTHER ADAPTABLE FOR CONTACTING SAID SOLUTION; AND FIRST AND SECOND INSULATED DETECTOR CONDUCTORS EACH HAVING ONE END EXTENDING WITHIN SAID BODY IN JUXTAPOSED RELATIONSHIP TO SAID METALLIC CONDUCTIVITY CONDUCTORS, SAID DETECTOR CONDUCTORS HAVING A METAL CORE COVERED WITH AN INSULATING COVER, AND SAID METAL CORE OF SAID FIRST DETECTOR CONDUCTOR ELECTRICALLY CONTACTING SAID FIRST METALLIC CONDUCTIVITY CONDUCTOR WITHIN SAID BODY AND SAID METAL CORE OF SAID SECOND DETECTOR CONDUCTOR ELECTRICALLY CONTACTING SAID SECOND METALLIC CONDUCTIVITY CONDUCTOR WITHIN SAID BODY, SAID INSULATED DETECTOR CONDUCTORS AND SAID CONDUCTIVITY CONDUCTORS EXTENDING FROM THE SAME SURFACE OF SAID BODY AND SUBSTANTIALLY IN THE SAME PLANE.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |