Patent US3197698A successfully refreshed from Google Patents.
US3197698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-controlled corrosion test probe
Assignee: Pure Oil Co
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Filing: 1959-12-07
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Granted: 1965-07-27
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
- 👤 Robert L Littler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:07
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A CORROSION-TESTING DEVICE THE COMBINATION OF A FLUID-TIGHT HOUSING HAVING SIDE WALLS, BOTTOM, END WALLS AND AN OPEN TOP, SAID SIDE AND END WALLS TERMINATING IN A PERIPHERAL PLANAR SURFACE, A FIRST TEST SPECIMEN ATTACHED ACROSS SAID OPEN TOP IN SEALED RELATIONSHIP WITH SAID PERIPHERAL PLANAR SURFACE TO FORM A CHAMBER WITHIN SAID HOUSING, A SECOND TEST SPECIMEN WITHIN SAID CHAMBER AND SPACED FROM SAID FIRST TEST SPECIMEN, A APAIR OF ELECTRICAL CONDUCTORS CONNECTED TO SPACED POINTS ALONG SAID FIRST TEST SPECIMEN, ONE OF SAID CONDUCTORS BEIG CONNECTED TO SAID SECOND TEST SPECIMEN AND INLET AND OUTLET CONDUIT MEANS IN FLUIT COMMUNICATION WITH SAID CHAMBER.
Claim 2
Dependent Claim
106 words
IN A CORROSION-TESTING DEVICE THE COMBINATION OF A FLUID-TIGHT HOUSING HAVING SIDE WALLS, BOTTOM, END WALLS AND AN OPEN TOP, SAID SIDE AND END WALLS TERMINATING IN A PERIPHERAL PLANAR SURFACE, A FIRST TEST SPECIMEN ATTACHED ACROSS SAID OPEN TOP IN SEALED RELATIONSHIP WITH SAID PERIPHERAL PLANAR SURFACE TO FORM A CHAMBER WITHIN SAID HOUSING, A SECOND TEST SPECIMEN WITHIN SAID CHAMBER AND SPACED FROM SAID FIRST TEST SPECIMEN, A APAIR OF ELECTRICAL CONDUCTORS CONNECTED TO SPACED POINTS ALONG SAID FIRST TEST SPECIMEN, ONE OF SAID CONDUCTORS BEIG CONNECTED TO SAID SECOND TEST SPECIMEN AND INLET AND OUTLET CONDUIT MEANS IN FLUIT COMMUNICATION WITH SAID CHAMBER.
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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) | 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 |