BE450137A - - Google Patents
Info
- Publication number
- BE450137A BE450137A BE450137DA BE450137A BE 450137 A BE450137 A BE 450137A BE 450137D A BE450137D A BE 450137DA BE 450137 A BE450137 A BE 450137A
- Authority
- BE
- Belgium
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
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/32—Special longitudinal shape, e.g. for advertising purposes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL260985X | 1939-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450137A true BE450137A (https=) |
Family
ID=19781508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450137D BE450137A (https=) | 1939-06-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE450137A (https=) |
| CH (1) | CH260985A (https=) |
| FR (1) | FR894038A (https=) |
| NL (1) | NL52147C (https=) |
-
0
- BE BE450137D patent/BE450137A/xx unknown
- NL NL52147D patent/NL52147C/xx active
-
1943
- 1943-04-16 FR FR894038D patent/FR894038A/fr not_active Expired
-
1947
- 1947-12-27 CH CH260985D patent/CH260985A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH260985A (de) | 1949-04-15 |
| NL52147C (https=) | |
| FR894038A (fr) | 1944-12-12 |