FR740954A - - Google Patents
Info
- Publication number
- FR740954A FR740954A FR740954DA FR740954A FR 740954 A FR740954 A FR 740954A FR 740954D A FR740954D A FR 740954DA FR 740954 A FR740954 A FR 740954A
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE388302X | 1931-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR740954A true FR740954A (fr) | 1933-02-03 |
Family
ID=6371254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR740954D Expired FR740954A (fr) | 1931-08-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2004578A (fr) |
| BE (1) | BE390209A (fr) |
| FR (1) | FR740954A (fr) |
| GB (1) | GB388302A (fr) |
-
0
- BE BE390209D patent/BE390209A/xx unknown
- FR FR740954D patent/FR740954A/fr not_active Expired
-
1932
- 1932-07-28 GB GB21301/32A patent/GB388302A/en not_active Expired
- 1932-08-12 US US628578A patent/US2004578A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE390209A (fr) | |
| GB388302A (en) | 1933-02-23 |
| US2004578A (en) | 1935-06-11 |