NL7207009A - - Google Patents
Info
- Publication number
- NL7207009A NL7207009A NL7207009A NL7207009A NL7207009A NL 7207009 A NL7207009 A NL 7207009A NL 7207009 A NL7207009 A NL 7207009A NL 7207009 A NL7207009 A NL 7207009A NL 7207009 A NL7207009 A NL 7207009A
- 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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1703171A GB1360022A (en) | 1971-05-25 | 1971-05-25 | Discharge lamps |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7207009A true NL7207009A (en) | 1972-11-28 |
NL157748B NL157748B (en) | 1978-08-15 |
Family
ID=10087986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7207009.A NL157748B (en) | 1971-05-25 | 1972-05-24 | MERCURY VAPOR DISCHARGE LAMP AND METHOD FOR MANUFACTURING THAT. |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU459873B2 (en) |
CA (1) | CA959914A (en) |
DE (2) | DE2265321C3 (en) |
GB (1) | GB1360022A (en) |
IT (1) | IT955808B (en) |
NL (1) | NL157748B (en) |
ZA (1) | ZA723378B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1397034A (en) * | 1973-07-05 | 1975-06-11 | Thorn Electrical Ind Ltd | Discharge lamps |
NL7712058A (en) * | 1977-11-02 | 1979-05-04 | Philips Nv | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
DE2953446C2 (en) * | 1978-12-28 | 1983-12-22 | Mitsubishi Denki K.K., Tokyo | High pressure metal vapor discharge lamp |
GB2182486B (en) * | 1985-10-04 | 1990-06-06 | Ushio Electric Inc | Magnesium and iron vapor discharge lamp |
GB2183085A (en) * | 1985-10-04 | 1987-05-28 | Ushio Electric Inc | Iron vapor discharge lamp |
-
1971
- 1971-05-25 GB GB1703171A patent/GB1360022A/en not_active Expired
-
1972
- 1972-05-15 CA CA142,096A patent/CA959914A/en not_active Expired
- 1972-05-17 ZA ZA723378A patent/ZA723378B/en unknown
- 1972-05-24 DE DE2265321A patent/DE2265321C3/en not_active Expired
- 1972-05-24 NL NL7207009.A patent/NL157748B/en not_active IP Right Cessation
- 1972-05-24 IT IT24783/72A patent/IT955808B/en active
- 1972-05-24 DE DE2225223A patent/DE2225223C3/en not_active Expired
- 1972-05-25 AU AU42776/72A patent/AU459873B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA723378B (en) | 1973-02-28 |
DE2225223B2 (en) | 1977-07-14 |
DE2265321C3 (en) | 1982-09-30 |
IT955808B (en) | 1973-09-29 |
AU4277672A (en) | 1973-11-29 |
AU459873B2 (en) | 1975-04-10 |
GB1360022A (en) | 1974-07-17 |
DE2265321B2 (en) | 1980-08-28 |
DE2225223C3 (en) | 1978-03-16 |
CA959914A (en) | 1974-12-24 |
DE2225223A1 (en) | 1972-12-07 |
NL157748B (en) | 1978-08-15 |
DE2265321A1 (en) | 1977-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: THORN ELEC |