US2627745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash point apparatus
Assignee: California Research LLC
•
Filing: 1950-06-16
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Granted: 1953-02-10
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Matteson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/50; G01N25/52; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A TEST CUP FOR THE DETERMINATION OF THE FLASH POINT OF A VOLATILE LIQUID BY PERIODIC EXPOSURE OF A HEATED FILM OF SAID LIQUID TO AN IGNITION SOURCE, MEANS COMPRISING A HEAT-CONDUCTIVE BODY, A SUBSTANTIALLY FLAT-BOTTOMED CHAMBER IN SAID BODY, A HEATER FOR SAID BODY, A CONFINED LIQUID INLET PASSAGE FOR SAID CHAMBER TRAVERSING SAID BODY BETWEEN SAID HEATER AND THE BOTTOM OF SAID CHAMBER FOR HEATING LIQUID UNIFORMLY PRIOR TO ITS EXPOSURE IN SAID CHAMBER, AND AN OUTLET FOR SAID CHAMBER SPACED ABOVE THE BOTTOM THEREOF
Claim 2
Dependent Claim
88 words
IN A TEST CUP FOR THE DETERMINATION OF THE FLASH POINT OF A VOLATILE LIQUID BY PERIODIC EXPOSURE OF A HEATED FILM OF SAID LIQUID TO AN IGNITION SOURCE, MEANS COMPRISING A HEAT-CONDUCTIVE BODY, A SUBSTANTIALLY FLAT-BOTTOMED CHAMBER IN SAID BODY, A HEATER FOR SAID BODY, A CONFINED LIQUID INLET PASSAGE FOR SAID CHAMBER TRAVERSING SAID BODY BETWEEN SAID HEATER AND THE BOTTOM OF SAID CHAMBER FOR HEATING LIQUID UNIFORMLY PRIOR TO ITS EXPOSURE IN SAID CHAMBER, AND AN OUTLET FOR SAID CHAMBER SPACED ABOVE THE BOTTOM THEREOF
References Cited (Backward Citations)
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Cited
US1554993A
Cited
US2119786A
Cited
US2200261A
Cited
US2349521A
Cited
US2339026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |