FR855936A - New electric lighting device and its various applications - Google Patents

New electric lighting device and its various applications

Info

Publication number
FR855936A
FR855936A FR855936DA FR855936A FR 855936 A FR855936 A FR 855936A FR 855936D A FR855936D A FR 855936DA FR 855936 A FR855936 A FR 855936A
Authority
FR
France
Prior art keywords
lighting device
various applications
electric lighting
new electric
new
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
Abraham Weiss
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 FR855936A publication Critical patent/FR855936A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
FR855936D 1938-08-12 1939-06-07 New electric lighting device and its various applications Expired FR855936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU855936X 1938-08-12

Publications (1)

Publication Number Publication Date
FR855936A true FR855936A (en) 1940-05-23

Family

ID=19734327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855936D Expired FR855936A (en) 1938-08-12 1939-06-07 New electric lighting device and its various applications

Country Status (1)

Country Link
FR (1) FR855936A (en)

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