US3286174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for measuring high temperature corrosion and fluid flow rates
Assignee: Union Oil Company of California
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Filing: 1965-12-06
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Granted: 1966-11-15
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Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Schaschl Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:55
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A FLUID FLOWMETER COMPRISING (A) A BARE ELONGATED, ELECTRICALLY CONDUCTIVE ELEMENT SUBSTANTIALLY NON-CORRODIBLE IN THE ENVIRONMENT IN WHICH IT IS TO BE USED, (B) AN ELONGATED, CORROSION-IMPERVIOUS COMPARISON ELEMENT HAVING A TEMPERATURE-RESISTANCE CHARACTERISTIC SIMILAR TO THAT OF THE TEST ELEMENT, (E) ELECTRICAL CONDUCTORS JOINED TO THE ENDS OF SAID ELEMENTS, (D) ELECTRICAL INSULATING MEANS FOR SUPPORTING SAID ELEMENTS IN A UNITARY STRUCTURE,
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |