NL41239C - - Google Patents
Info
- Publication number
- NL41239C NL41239C NL41239DA NL41239C NL 41239 C NL41239 C NL 41239C NL 41239D A NL41239D A NL 41239DA NL 41239 C NL41239 C NL 41239C
- 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
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL433671X | 1933-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41239C true NL41239C (ja�@�@) |
Family
ID=19786175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL41239D NL41239C (ja�@�@) | 1933-11-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2030445A (ja�@�@) |
| BE (1) | BE406110A (ja�@�@) |
| DE (1) | DE683436C (ja�@�@) |
| FR (1) | FR780928A (ja�@�@) |
| GB (1) | GB433671A (ja�@�@) |
| NL (1) | NL41239C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4232360A (en) * | 1978-01-11 | 1980-11-04 | General Electric Company | Heat recovery high intensity discharge lamp constructions |
-
0
- BE BE406110D patent/BE406110A/xx unknown
- NL NL41239D patent/NL41239C/xx active
-
1934
- 1934-11-07 US US751953A patent/US2030445A/en not_active Expired - Lifetime
- 1934-11-07 DE DEN37373D patent/DE683436C/de not_active Expired
- 1934-11-07 FR FR780928D patent/FR780928A/fr not_active Expired
- 1934-11-09 GB GB32300/34A patent/GB433671A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE406110A (ja�@�@) | |
| GB433671A (en) | 1935-08-19 |
| US2030445A (en) | 1936-02-11 |
| FR780928A (fr) | 1935-05-06 |
| DE683436C (de) | 1939-11-06 |