NL56036C - - Google Patents
Info
- Publication number
- NL56036C NL56036C NL56036DA NL56036C NL 56036 C NL56036 C NL 56036C NL 56036D A NL56036D A NL 56036DA NL 56036 C NL56036 C NL 56036C
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
-
- 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 |
|---|---|---|---|
| CH512791X | 1938-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56036C true NL56036C (enrdf_load_html_response) |
Family
ID=4517538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56036D NL56036C (enrdf_load_html_response) | 1938-01-27 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE432141A (enrdf_load_html_response) |
| CH (1) | CH207792A (enrdf_load_html_response) |
| FR (1) | FR849075A (enrdf_load_html_response) |
| GB (1) | GB512791A (enrdf_load_html_response) |
| NL (1) | NL56036C (enrdf_load_html_response) |
-
0
- NL NL56036D patent/NL56036C/xx active
- BE BE432141D patent/BE432141A/xx unknown
-
1938
- 1938-01-27 CH CH207792D patent/CH207792A/fr unknown
- 1938-03-15 GB GB8018/38A patent/GB512791A/en not_active Expired
-
1939
- 1939-01-18 FR FR849075D patent/FR849075A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE432141A (enrdf_load_html_response) | |
| CH207792A (fr) | 1939-11-30 |
| FR849075A (fr) | 1939-11-14 |
| GB512791A (en) | 1939-09-26 |