FR695767A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR695767A
FR695767A FR695767DA FR695767A FR 695767 A FR695767 A FR 695767A FR 695767D A FR695767D A FR 695767DA FR 695767 A FR695767 A FR 695767A
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)
Inventor
Roy Thomas Hurley
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 FR695767A publication Critical patent/FR695767A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00Sparking plugs
    • H01T13/20Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/34Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
FR695767D 1930-03-13 1930-05-16 Spark plug improvements Expired FR695767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US695767XA 1930-03-13 1930-03-13

Publications (1)

Publication Number Publication Date
FR695767A true FR695767A (en) 1930-12-22

Family

ID=22089908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR695767D Expired FR695767A (en) 1930-03-13 1930-05-16 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR695767A (en)

Similar Documents

Publication Publication Date Title
FR39148E (en) Spark plug improvements
FR712855A (en) Spark plug improvements
FR695767A (en) Spark plug improvements
FR716130A (en) Spark plug improvements
FR40239E (en) Spark plug improvements
BE392336A (en) Spark plug improvements
FR693431A (en) Improvements made to spark plugs
FR717512A (en) Improvements made to spark plugs
FR39953E (en) Improvement in spark plugs
FR40535E (en) Improvement in spark plugs
FR730394A (en) Spark plug improvements
FR684468A (en) Spark plug improvements
FR669655A (en) Spark plug improvements
FR685140A (en) Spark plug improvements
FR682648A (en) Spark plug improvements
FR669131A (en) Spark plug improvements
FR38456E (en) Spark plug improvements
FR676159A (en) Spark plug improvements
FR702836A (en) Spark plug improvements
FR604867A (en) Improvement in spark plugs
FR770318A (en) Spark plug improvements
FR759057A (en) Spark plug improvements
FR731954A (en) Improvement in spark plugs
FR696808A (en) Improvement in spark plugs
FR731856A (en) Improvements made to spark plugs