NL48990C - - Google Patents
Info
- Publication number
- NL48990C NL48990C NL82874A NL82874A NL48990C NL 48990 C NL48990 C NL 48990C NL 82874 A NL82874 A NL 82874A NL 82874 A NL82874 A NL 82874A NL 48990 C NL48990 C NL 48990C
- Authority
- NL
- Netherlands
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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE476544X | 1936-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL48990C true NL48990C (forum.php) | 1940-08-15 |
Family
ID=6542014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL82874A NL48990C (forum.php) | 1936-06-11 | 1937-06-11 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR822901A (forum.php) |
| GB (1) | GB476544A (forum.php) |
| NL (1) | NL48990C (forum.php) |
-
1937
- 1937-06-09 GB GB15996/37A patent/GB476544A/en not_active Expired
- 1937-06-09 FR FR822901D patent/FR822901A/fr not_active Expired
- 1937-06-11 NL NL82874A patent/NL48990C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| FR822901A (fr) | 1938-01-11 |
| GB476544A (en) | 1937-12-10 |