FR31389E - Improvements in the manufacture of neon and mercury tubes - Google Patents

Improvements in the manufacture of neon and mercury tubes

Info

Publication number
FR31389E
FR31389E FR31389DA FR31389E FR 31389 E FR31389 E FR 31389E FR 31389D A FR31389D A FR 31389DA FR 31389 E FR31389 E FR 31389E
Authority
FR
France
Prior art keywords
neon
manufacture
mercury tubes
mercury
tubes
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)
Inventor
Georges Claude
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 filed Critical
Application granted granted Critical
Publication of FR31389E publication Critical patent/FR31389E/en
Expired legal-status Critical Current

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
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
FR31389D 1925-06-18 1925-06-18 Improvements in the manufacture of neon and mercury tubes Expired FR31389E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31389T 1925-06-18

Publications (1)

Publication Number Publication Date
FR31389E true FR31389E (en) 1927-01-28

Family

ID=8669195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31389D Expired FR31389E (en) 1925-06-18 1925-06-18 Improvements in the manufacture of neon and mercury tubes

Country Status (1)

Country Link
FR (1) FR31389E (en)

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