FR805242A - Lampe à vapeur - Google Patents

Lampe à vapeur

Info

Publication number: FR805242A
Authority: FR; France
Prior art keywords: steam lamp; steam; lamp
Prior art date: 1935-04-23
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Compagnie des Lampes

Original Assignee

Compagnie des Lampes

Priority date (The priority date 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 date listed.)

1935-04-23

Filing date

1936-04-23

Publication date

1936-11-14

1936-04-23 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1936-11-14 Application granted granted Critical

1936-11-14 Publication of FR805242A publication Critical patent/FR805242A/fr

Status Expired legal-status Critical Current

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

FR805242D 1935-04-23 1936-04-23 Lampe à vapeur Expired FR805242A (fr)

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 (fr)	1936-11-14

Family

ID=21939594

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR805242D Expired FR805242A (fr)	1935-04-23	1936-04-23	Lampe à vapeur

Country Status (3)

Country	Link
BE (1)	BE415154A (es)
FR (1)	FR805242A (es)
GB (1)	GB457371A (es)

1936
- 1936-04-22 GB GB11498/36A patent/GB457371A/en not_active Expired
- 1936-04-23 FR FR805242D patent/FR805242A/fr not_active Expired
- 1936-04-23 BE BE415154D patent/BE415154A/xx unknown

Also Published As

Publication number	Publication date
GB457371A (en)	1936-11-26
BE415154A (es)	1936-06-30

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