US3402595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash testing apparatus
Assignee: Standard Oil Co
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Filing: 1966-05-02
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Granted: 1968-09-24
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Kapff Sixt Frederick
- 👤 Wendell P Cropper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:52
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/50; G01N25/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CLOSED-CUP FLASH TESTING APPARATUS HAVING A FLASH CHAMBER MEANS ADAPTED TO SUPPLY TEST LIQUID TO SAID FLASH CHAMBER IN COMMUNICATION WITH THE FLASH CHAMBER, HEATING MEANS ADJACENT SAID CHAMBER ADAPTED TO HEAT SAID TEST LIQUID, MEANS ADAPTED TO SUPPLY COMBUSTION AIR, TO SAID FLASH CHAMBER COMMUNICATING WITH THE CHAMBER, SPARK IGNITION MEANS WITHIN SAID FLASH CHAMBER, DIFFERENTIAL THERMOCOUPLE MEANS WITHIN SAID FLASH CHAMBER ADAPTED TO SENSE THE OCCURRENCE OF A FLASH, TEMPERATURE RECORDING MEANS ELECTRICALLY CONNECTED TO THE THERMOCOUPLE MEANS IN SAID CHAMBER AND ADAPTED TO CONTINUOUSLY INDICATE THE TEMPERATURE OF SAID TEST LIQUID, MEANS ACTUATED BY SAID DETECTION MEANS AFTER THE OCCURRENCE OF
Claim 2
Dependent Claim
105 words
A CLOSED-CUP FLASH TESTING APPARATUS HAVING A FLASH CHAMBER MEANS ADAPTED TO SUPPLY TEST LIQUID TO SAID FLASH CHAMBER IN COMMUNICATION WITH THE FLASH CHAMBER, HEATING MEANS ADJACENT SAID CHAMBER ADAPTED TO HEAT SAID TEST LIQUID, MEANS ADAPTED TO SUPPLY COMBUSTION AIR, TO SAID FLASH CHAMBER COMMUNICATING WITH THE CHAMBER, SPARK IGNITION MEANS WITHIN SAID FLASH CHAMBER, DIFFERENTIAL THERMOCOUPLE MEANS WITHIN SAID FLASH CHAMBER ADAPTED TO SENSE THE OCCURRENCE OF A FLASH, TEMPERATURE RECORDING MEANS ELECTRICALLY CONNECTED TO THE THERMOCOUPLE MEANS IN SAID CHAMBER AND ADAPTED TO CONTINUOUSLY INDICATE THE TEMPERATURE OF SAID TEST LIQUID, MEANS ACTUATED BY SAID DETECTION MEANS AFTER THE OCCURRENCE OF
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |