NL7006234A - - Google Patents
Info
- Publication number
- NL7006234A NL7006234A NL7006234A NL7006234A NL7006234A NL 7006234 A NL7006234 A NL 7006234A NL 7006234 A NL7006234 A NL 7006234A NL 7006234 A NL7006234 A NL 7006234A NL 7006234 A NL7006234 A NL 7006234A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
-
- 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 |
---|---|---|---|
GB22391/69A GB1267426A (en) | 1969-05-01 | 1969-05-01 | Improvements in electric incandescent lamps |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7006234A true NL7006234A (en) | 1970-11-03 |
NL162509B NL162509B (en) | 1979-12-17 |
NL162509C NL162509C (en) | 1980-05-16 |
Family
ID=10178621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7006234.A NL162509C (en) | 1969-05-01 | 1970-04-28 | ELECTRIC LIGHT BULB WITH A WOLFRAM HALOGEN CYCLE. |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA923191A (en) |
GB (1) | GB1267426A (en) |
NL (1) | NL162509C (en) |
SE (1) | SE373982B (en) |
ZA (1) | ZA702721B (en) |
-
1969
- 1969-05-01 GB GB22391/69A patent/GB1267426A/en not_active Expired
-
1970
- 1970-04-23 ZA ZA702721A patent/ZA702721B/en unknown
- 1970-04-28 CA CA081287A patent/CA923191A/en not_active Expired
- 1970-04-28 NL NL7006234.A patent/NL162509C/en not_active IP Right Cessation
- 1970-04-29 SE SE7005955A patent/SE373982B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2020921A1 (en) | 1970-11-19 |
NL162509B (en) | 1979-12-17 |
ZA702721B (en) | 1971-01-27 |
NL162509C (en) | 1980-05-16 |
DE2020921B2 (en) | 1977-03-10 |
SE373982B (en) | 1975-02-17 |
CA923191A (en) | 1973-03-20 |
GB1267426A (en) | 1972-03-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |