FR961959A - - Google Patents
Info
- Publication number
- FR961959A FR961959A FR961959DA FR961959A FR 961959 A FR961959 A FR 961959A FR 961959D A FR961959D A FR 961959DA FR 961959 A FR961959 A FR 961959A
- 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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US726603A US2479164A (en) | 1947-02-05 | 1947-02-05 | Electric glow discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR961959A true FR961959A (nl) | 1950-05-26 |
Family
ID=24919272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR961959D Expired FR961959A (nl) | 1947-02-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2479164A (nl) |
| ES (1) | ES182063A1 (nl) |
| FR (1) | FR961959A (nl) |
| GB (1) | GB644409A (nl) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2719932A (en) * | 1947-01-15 | 1955-10-04 | Gen Electric | Soft glass ultraviolet discharge lamp |
| US2623191A (en) * | 1947-03-20 | 1952-12-23 | Int Standard Electric Corp | Electric discharge tube |
| BE542776A (nl) * | 1954-11-16 | |||
| US3067355A (en) * | 1960-03-16 | 1962-12-04 | Burroughs Corp | Indicator tube |
| DE2732060C2 (de) * | 1976-07-19 | 1986-06-12 | Thorn Emi Ltd., London | Elektrische Leuchtstofflampe |
| US4297617A (en) * | 1980-03-24 | 1981-10-27 | Galaspie Charles E | Light producing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1675350A (en) * | 1921-02-09 | 1928-07-03 | Philips Nv | Electric gas-filled glow-discharge device |
| US2984469A (en) * | 1958-04-25 | 1961-05-16 | Goodman Mfg Co | Tensioning means for trimmer chain of boring type miner |
-
0
- FR FR961959D patent/FR961959A/fr not_active Expired
-
1947
- 1947-02-05 US US726603A patent/US2479164A/en not_active Expired - Lifetime
-
1948
- 1948-02-04 GB GB3287/48A patent/GB644409A/en not_active Expired
- 1948-02-04 ES ES0182063A patent/ES182063A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2479164A (en) | 1949-08-16 |
| ES182063A1 (es) | 1948-03-01 |
| GB644409A (en) | 1950-10-11 |