FR609294A - Improvements in the art of lighting - Google Patents

Improvements in the art of lighting

Info

Publication number
FR609294A
FR609294A FR609294DA FR609294A FR 609294 A FR609294 A FR 609294A FR 609294D A FR609294D A FR 609294DA FR 609294 A FR609294 A FR 609294A
Authority
FR
France
Prior art keywords
lighting
art
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
Application number
Other languages
French (fr)
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.)
Filing date
Publication date
Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR609294A publication Critical patent/FR609294A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
FR609294D 1925-04-16 1925-04-16 Improvements in the art of lighting Expired FR609294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR609294T 1925-04-16

Publications (1)

Publication Number Publication Date
FR609294A true FR609294A (en) 1926-08-11

Family

ID=8976627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR609294D Expired FR609294A (en) 1925-04-16 1925-04-16 Improvements in the art of lighting

Country Status (2)

Country Link
BE (1) BE333395A (en)
FR (1) FR609294A (en)

Also Published As

Publication number Publication date
BE333395A (en)

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