FR850738A - Improvements to discharge lamps - Google Patents

Improvements to discharge lamps

Info

Publication number
FR850738A
FR850738A FR850738DA FR850738A FR 850738 A FR850738 A FR 850738A FR 850738D A FR850738D A FR 850738DA FR 850738 A FR850738 A FR 850738A
Authority
FR
France
Prior art keywords
discharge lamps
lamps
discharge
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 FR850738A publication Critical patent/FR850738A/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
    • H01J61/64—Cathode glow lamps
FR850738D 1938-02-26 1939-02-23 Improvements to discharge lamps Expired FR850738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US192808A US2135284A (en) 1938-02-26 1938-02-26 Cathodic lamp

Publications (1)

Publication Number Publication Date
FR850738A true FR850738A (en) 1939-12-23

Family

ID=22711119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850738D Expired FR850738A (en) 1938-02-26 1939-02-23 Improvements to discharge lamps

Country Status (2)

Country Link
US (1) US2135284A (en)
FR (1) FR850738A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544641A (en) * 1955-01-24

Also Published As

Publication number Publication date
US2135284A (en) 1938-11-01

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