FR499024A - Improvements in the manufacture of spark plugs - Google Patents
Improvements in the manufacture of spark plugsInfo
- Publication number
- FR499024A FR499024A FR499024DA FR499024A FR 499024 A FR499024 A FR 499024A FR 499024D A FR499024D A FR 499024DA FR 499024 A FR499024 A FR 499024A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- 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
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
- H01T13/02—Details
- H01T13/14—Means for self-cleaning
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US499024XA | 1917-06-02 | 1917-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR499024A true FR499024A (en) | 1920-01-29 |
Family
ID=1534142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR499024D Expired FR499024A (en) | 1917-06-02 | 1917-11-14 | Improvements in the manufacture of spark plugs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR499024A (en) |
-
1917
- 1917-11-14 FR FR499024D patent/FR499024A/en not_active Expired
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