FR745094A - - Google Patents
Info
- Publication number
- FR745094A FR745094A FR745094DA FR745094A FR 745094 A FR745094 A FR 745094A FR 745094D A FR745094D A FR 745094DA FR 745094 A FR745094 A FR 745094A
- Authority
- FR
- France
- 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
- H01T13/58—Testing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US577947A US1957801A (en) | 1931-11-30 | 1931-11-30 | Spark plug testing device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR745094A true FR745094A (US20080094685A1-20080424-C00004.png) | 1933-05-01 |
Family
ID=24310791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR745094D Expired FR745094A (US20080094685A1-20080424-C00004.png) | 1931-11-30 |
Country Status (2)
Country | Link |
---|---|
US (1) | US1957801A (US20080094685A1-20080424-C00004.png) |
FR (1) | FR745094A (US20080094685A1-20080424-C00004.png) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB495478A (en) * | 1937-04-10 | 1938-11-10 | Napier & Son Ltd | Improvements relating to means for testing the electrical ignition systems of internal combustion engines |
US3119046A (en) * | 1958-05-15 | 1964-01-21 | Edward M Usher | Off-on indicator for three-way switch circuit |
-
0
- FR FR745094D patent/FR745094A/fr not_active Expired
-
1931
- 1931-11-30 US US577947A patent/US1957801A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1957801A (en) | 1934-05-08 |