FR719761A - Improvements to spark plugs and resulting new industrial product - Google Patents

Improvements to spark plugs and resulting new industrial product

Info

Publication number
FR719761A
FR719761A FR719761DA FR719761A FR 719761 A FR719761 A FR 719761A FR 719761D A FR719761D A FR 719761DA FR 719761 A FR719761 A FR 719761A
Authority
FR
France
Prior art keywords
spark plugs
industrial product
new industrial
resulting new
resulting
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
Paul Fermi
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 filed Critical
Application granted granted Critical
Publication of FR719761A publication Critical patent/FR719761A/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
    • H01T13/22—Sparking plugs characterised by features of the electrodes or insulation having two or more electrodes embedded in insulation
FR719761D 1930-10-03 1930-10-03 Improvements to spark plugs and resulting new industrial product Expired FR719761A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR719761T 1930-10-03

Publications (1)

Publication Number Publication Date
FR719761A true FR719761A (en) 1932-02-10

Family

ID=9091259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719761D Expired FR719761A (en) 1930-10-03 1930-10-03 Improvements to spark plugs and resulting new industrial product

Country Status (1)

Country Link
FR (1) FR719761A (en)

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