FR27988E - Improvements to spark plugs for internal combustion engines - Google Patents

Improvements to spark plugs for internal combustion engines

Info

Publication number
FR27988E
FR27988E FR27988DA FR27988E FR 27988 E FR27988 E FR 27988E FR 27988D A FR27988D A FR 27988DA FR 27988 E FR27988 E FR 27988E
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)
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.)
J DE SAINT MARTIN ET CHABROLLE
Original Assignee
J DE SAINT MARTIN ET CHABROLLE
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 J DE SAINT MARTIN ET CHABROLLE filed Critical J DE SAINT MARTIN ET CHABROLLE
Application granted granted Critical
Publication of FR27988E publication Critical patent/FR27988E/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
    • H01T13/38—Selection of materials for insulation
FR27988D 1923-08-02 1923-08-02 Improvements to spark plugs for internal combustion engines Expired FR27988E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR27988T 1923-08-02

Publications (1)

Publication Number Publication Date
FR27988E true FR27988E (en) 1924-11-11

Family

ID=8666227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27988D Expired FR27988E (en) 1923-08-02 1923-08-02 Improvements to spark plugs for internal combustion engines

Country Status (1)

Country Link
FR (1) FR27988E (en)

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