NL50256C - - Google Patents
Info
- Publication number
- NL50256C NL50256C NL50256DA NL50256C NL 50256 C NL50256 C NL 50256C NL 50256D A NL50256D A NL 50256DA NL 50256 C NL50256 C NL 50256C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/34—Double wall vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL852426X | 1938-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50256C true NL50256C (US07709020-20100504-C00032.png) |
Family
ID=19847149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50256D NL50256C (US07709020-20100504-C00032.png) | 1938-04-02 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE691377C (US07709020-20100504-C00032.png) |
| FR (1) | FR852426A (US07709020-20100504-C00032.png) |
| NL (1) | NL50256C (US07709020-20100504-C00032.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0104594B1 (en) * | 1982-09-23 | 1989-01-25 | GTE Products Corporation | Double-enveloped lamp |
| CA1214194A (en) * | 1982-09-23 | 1986-11-18 | Gte Products Corporation | Tungsten-halogen lamp with light-source capsule containment device |
| US4625140A (en) * | 1982-09-23 | 1986-11-25 | Gte Products Corporation | Tungsten halogen lamp with light source capsule containment device |
| US20060049733A1 (en) * | 2004-09-07 | 2006-03-09 | Osram Sylvania Inc. | Protected Metal Halide Lamp |
-
0
- NL NL50256D patent/NL50256C/xx active
-
1939
- 1939-03-31 FR FR852426D patent/FR852426A/fr not_active Expired
- 1939-03-31 DE DE1939N0043121 patent/DE691377C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE691377C (de) | 1940-05-24 |
| FR852426A (fr) | 1940-02-01 |
