GB603424A - Gas-filled electric incandescent lamp with double helical incandescent body - Google Patents
Gas-filled electric incandescent lamp with double helical incandescent bodyInfo
- Publication number
- GB603424A GB603424A GB20308/39A GB2030839A GB603424A GB 603424 A GB603424 A GB 603424A GB 20308/39 A GB20308/39 A GB 20308/39A GB 2030839 A GB2030839 A GB 2030839A GB 603424 A GB603424 A GB 603424A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- filled
- july
- incandescent
- double helical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 239000007789 gas Substances 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 229910052743 krypton Inorganic materials 0.000 abstract 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 abstract 1
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
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE212051X | 1938-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB603424A true GB603424A (en) | 1948-06-16 |
Family
ID=5806028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20308/39A Expired GB603424A (en) | 1938-07-16 | 1939-07-12 | Gas-filled electric incandescent lamp with double helical incandescent body |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE435388A (enrdf_load_stackoverflow) |
CH (1) | CH212051A (enrdf_load_stackoverflow) |
FR (1) | FR857614A (enrdf_load_stackoverflow) |
GB (1) | GB603424A (enrdf_load_stackoverflow) |
-
0
- BE BE435388D patent/BE435388A/xx unknown
-
1939
- 1939-07-06 CH CH212051D patent/CH212051A/de unknown
- 1939-07-10 FR FR857614D patent/FR857614A/fr not_active Expired
- 1939-07-12 GB GB20308/39A patent/GB603424A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH212051A (de) | 1940-10-31 |
FR857614A (fr) | 1940-09-21 |
BE435388A (enrdf_load_stackoverflow) |
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