FR524488A - Improvements in spark plugs - Google Patents

Improvements in spark plugs

Info

Publication number
FR524488A
FR524488A FR524488DA FR524488A FR 524488 A FR524488 A FR 524488A FR 524488D A FR524488D A FR 524488DA FR 524488 A FR524488 A FR 524488A
Authority
FR
France
Prior art keywords
spark plugs
spark
plugs
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
James Caldwell Anderson
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 FR524488A publication Critical patent/FR524488A/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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
FR524488D 1919-11-18 1920-08-21 Improvements in spark plugs Expired FR524488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US524488XA 1919-11-18 1919-11-18

Publications (1)

Publication Number Publication Date
FR524488A true FR524488A (en) 1921-09-03

Family

ID=1536633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524488D Expired FR524488A (en) 1919-11-18 1920-08-21 Improvements in spark plugs

Country Status (1)

Country Link
FR (1) FR524488A (en)

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