FR740973A - - Google Patents
Info
- Publication number
- FR740973A FR740973A FR740973DA FR740973A FR 740973 A FR740973 A FR 740973A FR 740973D A FR740973D A FR 740973DA FR 740973 A FR740973 A FR 740973A
- 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 |
|---|---|---|---|
| DE390395X | 1931-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR740973A true FR740973A (fr) | 1933-02-03 |
Family
ID=6373780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR740973D Expired FR740973A (fr) | 1931-08-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1951155A (fr) |
| BE (1) | BE390305A (fr) |
| FR (1) | FR740973A (fr) |
| GB (1) | GB390395A (fr) |
-
0
- BE BE390305D patent/BE390305A/xx unknown
- FR FR740973D patent/FR740973A/fr not_active Expired
-
1932
- 1932-08-11 GB GB22501/32A patent/GB390395A/en not_active Expired
- 1932-08-12 US US628577A patent/US1951155A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB390395A (en) | 1933-04-06 |
| US1951155A (en) | 1934-03-13 |
| BE390305A (fr) |