FR493319A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR493319A
FR493319A FR493319DA FR493319A FR 493319 A FR493319 A FR 493319A FR 493319D A FR493319D A FR 493319DA FR 493319 A FR493319 A FR 493319A
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
Pierre Boucard
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 FR493319A publication Critical patent/FR493319A/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
    • H01T13/24—Sparking plugs characterised by features of the electrodes or insulation having movable electrodes
FR493319D 1918-11-25 1918-11-25 Spark plug improvements Expired FR493319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR493319T 1918-11-25

Publications (1)

Publication Number Publication Date
FR493319A true FR493319A (en) 1919-08-06

Family

ID=1529078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493319D Expired FR493319A (en) 1918-11-25 1918-11-25 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR493319A (en)

Similar Documents

Publication Publication Date Title
FR493319A (en) Spark plug improvements
FR489739A (en) Spark plug improvements
FR493064A (en) Spark plug improvements
FR508744A (en) Spark plug improvements
FR489379A (en) Spark plug improvements
FR21112E (en) Improvements made to spark plugs
FR488362A (en) Improvements made to spark plugs
FR493586A (en) Improvements made to spark plugs
FR499851A (en) Improvements made to spark plugs
FR492882A (en) Spark plug
FR495138A (en) Advanced spark plug
FR487722A (en) Spark plug improvements
FR498824A (en) Spark plug improvements
FR22311E (en) Spark plug improvements
FR489424A (en) Spark plug improvements
FR22291E (en) Spark plug improvements
FR504216A (en) Spark plug
FR519066A (en) Spark plug
FR21065E (en) Spark plug
FR22485E (en) Spark plug
FR495305A (en) Spark plug
FR498650A (en) Spark plug
FR501538A (en) Spark plug
CH79857A (en) Spark plug
CH79559A (en) Spark plug