Gasoline dispensing apparatus

A gasoline dispensing system having vapor removal means associated therewith incorporating a pressure-actuated switch for detecting increased gas pressure in said vapor removal means when a liquid blockage occurs therein. When the gas pressure exceeds a predetermined amount, said pressure switch energizes an electrical circuit comprising an alarm.

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Description
Patent History
Patent number: T997001
Type: Grant
Filed: Jan 18, 1979
Date of Patent: Aug 5, 1980
Inventor: Michael J. Dougherty (Fullerton, CA)
Application Number: 6/4,593
Classifications
Current U.S. Class: Level Or Pressure In Receiver (141/95)
International Classification: B65B 318;