US3197724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance corrosion probe
Assignee: Pure Oil Co
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Filing: 1959-11-20
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Granted: 1965-07-27
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Expires: 1979-11-20
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:35
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A CORROSION-TEST PROBE COMPRISING A BASE MEMBER ADAPTED TO BE INSERTED IN SEALED RELATIONSHIP THROUGH THE WALL OF A VESSEL CONFINING A CORROSIVE ATMOSPHERE, AN ELONGATED, HOLLOW CORRODIBLE METALLIC TEST SPECIMENT OF UNIFORM COMPOSITIOPN, SAID TEST SPECIMENT HAVING KNOWN GRADUATED THICKNESS ALONG ITS LENGTH, WITH THE THINNEST END ATTACHED TO SAID BASE MEMBER, AN ELONGATED INSULATING SUPPORT MEMBER EXTENDING FROM SAID BASE MEMBER WITHIN
References Cited (Backward Citations)
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US1547837A
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US2351644A
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US2856495A
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US2915305A
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US3032753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |