FR620358A - Multiple filament incandescent lamp - Google Patents

Multiple filament incandescent lamp

Info

Publication number
FR620358A
FR620358A FR620358DA FR620358A FR 620358 A FR620358 A FR 620358A FR 620358D A FR620358D A FR 620358DA FR 620358 A FR620358 A FR 620358A
Authority
FR
France
Prior art keywords
incandescent lamp
multiple filament
filament incandescent
lamp
incandescent
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.)
NEUE GLU HLAMPEN GmbH
Original Assignee
NEUE GLU HLAMPEN GmbH
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 NEUE GLU HLAMPEN GmbH filed Critical NEUE GLU HLAMPEN GmbH
Application granted granted Critical
Publication of FR620358A publication Critical patent/FR620358A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/06—Crowns or roofs for combustion chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
FR620358D 1924-06-03 1925-06-02 Multiple filament incandescent lamp Expired FR620358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB114350D DE410429C (en) 1924-06-03 1924-06-03 Electric multi-filament light bulb

Publications (1)

Publication Number Publication Date
FR620358A true FR620358A (en) 1927-04-21

Family

ID=6993731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620358D Expired FR620358A (en) 1924-06-03 1925-06-02 Multiple filament incandescent lamp

Country Status (3)

Country Link
DE (1) DE410429C (en)
FR (1) FR620358A (en)
NL (2) NL30384C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7210510B2 (en) * 2003-07-10 2007-05-01 Tracrac, Inc. Work bench

Also Published As

Publication number Publication date
DE410429C (en) 1925-02-28
NL30384C (en)
NL16600C (en)

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