Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB454219A
Inventor
Alexander Sproul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB454219ApriorityCriticalpatent/GB129591A/en
Publication of GB129591ApublicationCriticalpatent/GB129591A/en
H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
H01T13/00—Sparking plugs
H01T13/46—Sparking plugs having two or more spark gaps
H01T13/467—Sparking plugs having two or more spark gaps in parallel connection
Abstract
129,591. Sproul, A. Feb. 24, 1919. Drawings to Specification. Sparking-plugs.-The insulation is doubleconical in outline and consists of mica washers retained by a gland.