Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei Cheng Wu
Date of Patent
October 3, 2023
Patent Application Number
17190641
Date Filed
March 3, 2021
Patent Citations
Patent Primary Examiner
Patent abstract
A blowtorch includes a casing and a control unit. The control unit includes an activate button and a lock button. The lock button is switchable between a first lock position and an intermediate position, or between the intermediate position and a second lock position. The activate button is switchable between a standby position and an activation position when the lock button is in the intermediate position. The lock button contacts the activate button and restricts the activate button to hold in the activation position when the activate button is in the activation position and the lock button is in the first lock position or the second lock position.
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