FR29997E - Spark plugs for internal combustion engines - Google Patents

Spark plugs for internal combustion engines

Info

Publication number
FR29997E
FR29997E FR29997DA FR29997E FR 29997 E FR29997 E FR 29997E FR 29997D A FR29997D A FR 29997DA FR 29997 E FR29997 E FR 29997E
Authority
FR
France
Prior art keywords
internal combustion
combustion engines
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
Louis-Marie-Joseph-S Bour
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 FR29997E publication Critical patent/FR29997E/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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
FR29997D 1924-08-09 1924-08-09 Spark plugs for internal combustion engines Expired FR29997E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR29997T 1924-08-09

Publications (1)

Publication Number Publication Date
FR29997E true FR29997E (en) 1925-12-11

Family

ID=8667940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29997D Expired FR29997E (en) 1924-08-09 1924-08-09 Spark plugs for internal combustion engines

Country Status (1)

Country Link
FR (1) FR29997E (en)

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