NL41668C - - Google Patents
Info
- Publication number
- NL41668C NL41668C NL71295A NL71295A NL41668C NL 41668 C NL41668 C NL 41668C NL 71295 A NL71295 A NL 71295A NL 71295 A NL71295 A NL 71295A NL 41668 C NL41668 C NL 41668C
- 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 |
|---|---|---|---|
| DEN35923D DE613573C (de) | 1933-11-06 | 1933-11-06 | Elektrische, vornehmlich zur Lichtausstrahlung dienende Entladungsroehre, die Dampf schwer fluechtigen Metalls enthaelt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41668C true NL41668C (fr) | 1937-10-15 |
Family
ID=40612883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71295A NL41668C (fr) | 1933-11-06 | 1934-11-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2076754A (fr) |
| DE (1) | DE613573C (fr) |
| FR (1) | FR780849A (fr) |
| GB (1) | GB429568A (fr) |
| NL (1) | NL41668C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3479548A (en) * | 1966-07-06 | 1969-11-18 | Airequipt Inc | Enveloped quartz iodine lamp |
-
1933
- 1933-11-06 DE DEN35923D patent/DE613573C/de not_active Expired
-
1934
- 1934-11-02 NL NL71295A patent/NL41668C/xx active
- 1934-11-05 GB GB31730/34A patent/GB429568A/en not_active Expired
- 1934-11-05 US US751620A patent/US2076754A/en not_active Expired - Lifetime
- 1934-11-05 FR FR780849D patent/FR780849A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2076754A (en) | 1937-04-13 |
| GB429568A (en) | 1935-05-31 |
| FR780849A (fr) | 1935-05-04 |
| DE613573C (de) | 1935-05-21 |