FR520507A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number: FR520507A
Authority: FR; France
Prior art keywords: spark plug; spark; plug; plug improvements
Prior art date: 1920-07-07
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

FR520507A

Other languages

French (fr)

Inventor

George W Noe

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.)

1920-07-07

Filing date

1920-07-07

Publication date

1921-06-27

1920-07-07 Application filed by Individual filed Critical Individual

1921-06-27 Application granted granted Critical

1921-06-27 Publication of FR520507A publication Critical patent/FR520507A/en

Status Expired legal-status Critical Current

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
- H01T13/46—Sparking plugs having two or more spark gaps
- H01T13/462—Sparking plugs having two or more spark gaps in series connection

FR520507A 1920-07-07 1920-07-07 Spark plug improvements Expired FR520507A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR520507T		1920-07-07

Publications (1)

Publication Number	Publication Date
FR520507A true FR520507A (en)	1921-06-27

Family

ID=8916760

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR520507A Expired FR520507A (en)	1920-07-07	1920-07-07	Spark plug improvements

Country Status (1)

Country	Link
FR (1)	FR520507A (en)

1920
- 1920-07-07 FR FR520507A patent/FR520507A/en not_active Expired

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