FR721968A - Base for two-filament electric lamps - Google Patents

Base for two-filament electric lamps

Info

Publication number
FR721968A
FR721968A FR721968DA FR721968A FR 721968 A FR721968 A FR 721968A FR 721968D A FR721968D A FR 721968DA FR 721968 A FR721968 A FR 721968A
Authority
FR
France
Prior art keywords
base
electric lamps
filament electric
filament
lamps
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
Pierre Henry
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 FR721968A publication Critical patent/FR721968A/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
FR721968D 1931-08-26 1931-08-26 Base for two-filament electric lamps Expired FR721968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR721968T 1931-08-26

Publications (1)

Publication Number Publication Date
FR721968A true FR721968A (en) 1932-03-10

Family

ID=9099503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721968D Expired FR721968A (en) 1931-08-26 1931-08-26 Base for two-filament electric lamps

Country Status (1)

Country Link
FR (1) FR721968A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1295079B (en) * 1961-10-12 1969-05-14 Vossloh Werke Gmbh Contact protection arrangement for holding electric light bulbs with screw bases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1295079B (en) * 1961-10-12 1969-05-14 Vossloh Werke Gmbh Contact protection arrangement for holding electric light bulbs with screw bases

Similar Documents

Publication Publication Date Title
FR721968A (en) Base for two-filament electric lamps
FR732617A (en) Sockets for incandescent electric lamps
FR719197A (en) Switch for electric lamps with several filaments
FR840688A (en) Base for incandescent electric lamps
CH153052A (en) Electric signal lamp for table top devices.
FR731324A (en) Reflector for incandescent electric lamps
FR777656A (en) screen for two-filament code lamp
FR736750A (en) Incandescent electric lamp
FR794530A (en) Frame for incandescent electric lamps
FR712454A (en) Advanced socket for electric lamps
FR753266A (en) Filament for electric lamps
FR767120A (en) Support for tubular electric lamp filaments
FR703098A (en) Socket for incandescent electric lamps
CA316704A (en) Electric lamp base
FR628823A (en) Bayonet base for multi-filament electric lamps
FR672328A (en) Socket for electric incandescent lamps
FR782615A (en) Incandescent electric lamps for vehicles
FR676337A (en) Incandescent electric lamps
FR767979A (en) Filament holder for electric lamps
FR695093A (en) Incandescent electric lamps
IE11559L (en) Electric incandescent lamps
IE11581L (en) Electric incandescent lamps
FR45744E (en) Filament for electric lamps
FR726595A (en) Acetylene lamp
FR728573A (en) Acetylene lamp