FR833870A - Incandescent electric lamp - Google Patents

Incandescent electric lamp

Info

Publication number
FR833870A
FR833870A FR833870DA FR833870A FR 833870 A FR833870 A FR 833870A FR 833870D A FR833870D A FR 833870DA FR 833870 A FR833870 A FR 833870A
Authority
FR
France
Prior art keywords
electric lamp
incandescent electric
incandescent
lamp
electric
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.)
VEREINIGTEGLU HLAMPEN und ELEK
Original Assignee
VEREINIGTEGLU HLAMPEN und ELEK
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 VEREINIGTEGLU HLAMPEN und ELEK filed Critical VEREINIGTEGLU HLAMPEN und ELEK
Application granted granted Critical
Publication of FR833870A publication Critical patent/FR833870A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR833870D 1937-02-20 1938-02-18 Incandescent electric lamp Expired FR833870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE833870X 1937-02-20

Publications (1)

Publication Number Publication Date
FR833870A true FR833870A (en) 1938-11-03

Family

ID=6760523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833870D Expired FR833870A (en) 1937-02-20 1938-02-18 Incandescent electric lamp

Country Status (2)

Country Link
FR (1) FR833870A (en)
NL (1) NL48845C (en)

Also Published As

Publication number Publication date
NL48845C (en)

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