FR487722A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR487722A
FR487722A FR487722DA FR487722A FR 487722 A FR487722 A FR 487722A FR 487722D A FR487722D A FR 487722DA FR 487722 A FR487722 A FR 487722A
Authority
FR
France
Prior art keywords
spark plug
spark
plug
plug improvements
Prior art date
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
Other languages
French (fr)
Inventor
Frederick Gerken
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR487722A publication Critical patent/FR487722A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
FR487722D 1917-11-22 1917-11-22 Spark plug improvements Expired FR487722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487722T 1917-11-22

Publications (1)

Publication Number Publication Date
FR487722A true FR487722A (en) 1918-07-23

Family

ID=1524163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487722D Expired FR487722A (en) 1917-11-22 1917-11-22 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR487722A (en)

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