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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR640000ApublicationCriticalpatent/FR640000A/fr
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
H01T13/462—Sparking plugs having two or more spark gaps in series connection
FR640000D1927-08-251927-08-25Perfectionnement apporté dans l'établissement des bougies d'allumage pour moteurs à combustion interne
ExpiredFR640000A
(fr)