Patent EP0544338A1 successfully refreshed from Google Patents.
US2943594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cell for testing hydrocarbon fuel
Assignee: Permanent Filter Corp
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Filing: 1958-11-19
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Granted: 1960-07-05
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Expires: 1978-11-19
Abstract
No abstract record available.
Inventors
- 👤 Harold A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/0606; G01N15/0618; G01N31/00; G01N31/22; G01N31/222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A CELL FOR TESTING HYDROCARBON FUELS COMPRISING A BODY MEANS HAVING A CAVITY FORMED THEREIN, SAID BODY MEANS HAVING INLET AND OUTLET MEANS FORMED THEREIN AND IN COMMUNICATION WITH SAID CAVITY, WATER INDICATING MEANS MOUNTED IN SAID BODY MEANS AND IN COMMUNICATION WITH SAID CAVITY, SAID WATER INDICATING MEANS BEING READILY WETTABLE AND HAVING ONE SURFACE THEREOF IMPREGNATED WITH A WATER SOLUBLE DYE SUBSTANTIALLY COMPLETELY INERT TO HYDROCARBON, SAID ONE SURFACE FACING AWAY FROM SAID CAVITY, AND HYDROPHOBIC FILTER MEDIUM SPACED FROM SAID WATER INDICATING MEANS AND MOUNTED IN SAID BODY MEANS AND IN COMMUNICATION WITH SAID CAVITY AND SAID OUTLET MEANS.
Claim 2
Dependent Claim
102 words
A CELL FOR TESTING HYDROCARBON FUELS COMPRISING A BODY MEANS HAVING A CAVITY FORMED THEREIN, SAID BODY MEANS HAVING INLET AND OUTLET MEANS FORMED THEREIN AND IN COMMUNICATION WITH SAID CAVITY, WATER INDICATING MEANS MOUNTED IN SAID BODY MEANS AND IN COMMUNICATION WITH SAID CAVITY, SAID WATER INDICATING MEANS BEING READILY WETTABLE AND HAVING ONE SURFACE THEREOF IMPREGNATED WITH A WATER SOLUBLE DYE SUBSTANTIALLY COMPLETELY INERT TO HYDROCARBON, SAID ONE SURFACE FACING AWAY FROM SAID CAVITY, AND HYDROPHOBIC FILTER MEDIUM SPACED FROM SAID WATER INDICATING MEANS AND MOUNTED IN SAID BODY MEANS AND IN COMMUNICATION WITH SAID CAVITY AND SAID OUTLET MEANS.
References Cited (Backward Citations)
US2214354A
Cited
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US2815662A
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US2787238A
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US2844026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |