FR535338A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR535338A
FR535338A FR535338DA FR535338A FR 535338 A FR535338 A FR 535338A FR 535338D A FR535338D A FR 535338DA FR 535338 A FR535338 A FR 535338A
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)
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.)
ARMSTRONG SPARKING PLUG CO Ltd
Original Assignee
ARMSTRONG SPARKING PLUG CO Ltd
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 ARMSTRONG SPARKING PLUG CO Ltd filed Critical ARMSTRONG SPARKING PLUG CO Ltd
Application granted granted Critical
Publication of FR535338A publication Critical patent/FR535338A/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
    • H01T13/48—Sparking plugs having means for rendering sparks visible
FR535338D 1920-10-22 1921-05-10 Spark plug improvements Expired FR535338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB535338X 1920-10-22

Publications (1)

Publication Number Publication Date
FR535338A true FR535338A (en) 1922-04-13

Family

ID=10468144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535338D Expired FR535338A (en) 1920-10-22 1921-05-10 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR535338A (en)

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