FR805242A - Steam lamp - Google Patents
Steam lampInfo
- Publication number
- FR805242A FR805242A FR805242DA FR805242A FR 805242 A FR805242 A FR 805242A FR 805242D A FR805242D A FR 805242DA FR 805242 A FR805242 A FR 805242A
- Authority
- FR
- France
- Prior art keywords
- steam lamp
- steam
- lamp
- 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
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 |
---|---|---|---|
US457371XA | 1935-04-23 | 1935-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR805242A true FR805242A (en) | 1936-11-14 |
Family
ID=21939594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR805242D Expired FR805242A (en) | 1935-04-23 | 1936-04-23 | Steam lamp |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE415154A (en) |
FR (1) | FR805242A (en) |
GB (1) | GB457371A (en) |
-
1936
- 1936-04-22 GB GB11498/36A patent/GB457371A/en not_active Expired
- 1936-04-23 FR FR805242D patent/FR805242A/en not_active Expired
- 1936-04-23 BE BE415154D patent/BE415154A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE415154A (en) | 1936-06-30 |
GB457371A (en) | 1936-11-26 |
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