Patent US2834858A successfully refreshed from Google Patents.
US2834858A
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Corrosion testing probe
Assignee: Pure Oil Co
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Filing: 1956-12-18
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Granted: 1958-05-13
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Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:59
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A CORROSION TEST PROBE COMPRISING AN EXTERNAL INSULTAING BASE MEANS SUPPORTILNG A CONDUCTOR ROD, A CAP MEANS ATTACHED TO ONE END OF SAID ROD TO PRESENT AN ANNULAR, CONTINUOUS SEALING SURFACE TOWARD SAID BASE MEANS, SAID BASE MEANS HAVING A CORRESPONDILNG ANNULAR, CONTINUOUS SEALING SURFACE TOWARD THE SEALING SURFACE OF SAID CAP MEANS, A SLEEVE MEANS ENCOMPASSING AND SPACED FROM SAID BASE MEANS AND HAVILNG TERMINAL ANNULAR, CONTINUOUS SEALING SURFACES OPPOSITE THE SEALING SURFACES OF SAID BASE MEANS AND SAID CAP MEANS, RESILIENT ANNULAR SEALS BETWEEN SAID OPPOSED SEALING SURFACES, A PAIR OF ELONGATED TEST SPECIMENS MOUNTED LONGITUDINALLY BY SAID BASE MEANS, EACH HAVING THEIR CONTIGUOUS ENDS HELD BY SAID SEALING SURFACES AND SAID ANNULAR SEALS UNDER COMPRESSION BY SAID CAP MEANS, ONE OF SAID TEST SPECIMENS HAVING ITS BODY PORTION OUTSIDE SAID BASE AND SAID SLEEVE MEANS, THE OTHER OF SAID TEST SPECIMENS HAVING ITS BODY WITHIN THE ANNULAR SPACE BETWEEN SAID SLEEVE MEANS AND SAID BASE MEANS, AND ONE PAIR OF ONTIGUOUS ENDS OF SAID TEST SPECIMENS BEING MAILNTAINED IN ELECTRICAL CONTACT WITH SAID CONDUCTOR ROD FORMING A COMMON LEAD THEREFROM.
Claim 2
Dependent Claim
183 words
A CORROSION TEST PROBE COMPRISING AN EXTERNAL INSULTAING BASE MEANS SUPPORTILNG A CONDUCTOR ROD, A CAP MEANS ATTACHED TO ONE END OF SAID ROD TO PRESENT AN ANNULAR, CONTINUOUS SEALING SURFACE TOWARD SAID BASE MEANS, SAID BASE MEANS HAVING A CORRESPONDILNG ANNULAR, CONTINUOUS SEALING SURFACE TOWARD THE SEALING SURFACE OF SAID CAP MEANS, A SLEEVE MEANS ENCOMPASSING AND SPACED FROM SAID BASE MEANS AND HAVILNG TERMINAL ANNULAR, CONTINUOUS SEALING SURFACES OPPOSITE THE SEALING SURFACES OF SAID BASE MEANS AND SAID CAP MEANS, RESILIENT ANNULAR SEALS BETWEEN SAID OPPOSED SEALING SURFACES, A PAIR OF ELONGATED TEST SPECIMENS MOUNTED LONGITUDINALLY BY SAID BASE MEANS, EACH HAVING THEIR CONTIGUOUS ENDS HELD BY SAID SEALING SURFACES AND SAID ANNULAR SEALS UNDER COMPRESSION BY SAID CAP MEANS, ONE OF SAID TEST SPECIMENS HAVING ITS BODY PORTION OUTSIDE SAID BASE AND SAID SLEEVE MEANS, THE OTHER OF SAID TEST SPECIMENS HAVING ITS BODY WITHIN THE ANNULAR SPACE BETWEEN SAID SLEEVE MEANS AND SAID BASE MEANS, AND ONE PAIR OF ONTIGUOUS ENDS OF SAID TEST SPECIMENS BEING MAILNTAINED IN ELECTRICAL CONTACT WITH SAID CONDUCTOR ROD FORMING A COMMON LEAD THEREFROM.
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |