FR835997A - Isolants pour bougie d'allumage - Google Patents

Isolants pour bougie d'allumage

Info

Publication number: FR835997A
Authority: FR; France
Prior art keywords: spark plug; plug insulators; insulators; spark; plug
Prior art date: 1937-03-31
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

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.)

Motors Liquidation Co

Original Assignee

General Motors Corp

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.)

1937-03-31

Filing date

1938-03-31

Publication date

1939-01-06

1938-03-31 Application filed by General Motors Corp filed Critical General Motors Corp

1939-01-06 Application granted granted Critical

1939-01-06 Publication of FR835997A publication Critical patent/FR835997A/fr

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
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/38—Selection of materials for insulation

FR835997D 1937-03-31 1938-03-31 Isolants pour bougie d'allumage Expired FR835997A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US835997XA	1937-03-31	1937-03-31

Publications (1)

Publication Number	Publication Date
FR835997A true FR835997A (fr)	1939-01-06

Family

ID=22179412

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR835997D Expired FR835997A (fr)	1937-03-31	1938-03-31	Isolants pour bougie d'allumage

Country Status (1)

Country	Link
FR (1)	FR835997A (fr)

1938
- 1938-03-31 FR FR835997D patent/FR835997A/fr not_active Expired

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