FR334000A - Incandescent lamp improvements - Google Patents

Incandescent lamp improvements

Info

Publication number
FR334000A
FR334000A FR334000DA FR334000A FR 334000 A FR334000 A FR 334000A FR 334000D A FR334000D A FR 334000DA FR 334000 A FR334000 A FR 334000A
Authority
FR
France
Prior art keywords
incandescent lamp
incandescent
lamp
lamp improvements
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.)
CIE D ELECTRICITE ECONOMIQUE M
Original Assignee
CIE D ELECTRICITE ECONOMIQUE M
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 CIE D ELECTRICITE ECONOMIQUE M filed Critical CIE D ELECTRICITE ECONOMIQUE M
Application granted granted Critical
Publication of FR334000A publication Critical patent/FR334000A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR334000D 1903-07-20 1903-07-20 Incandescent lamp improvements Expired FR334000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334000T 1903-07-20

Publications (1)

Publication Number Publication Date
FR334000A true FR334000A (en) 1903-12-08

Family

ID=1383558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334000D Expired FR334000A (en) 1903-07-20 1903-07-20 Incandescent lamp improvements

Country Status (1)

Country Link
FR (1) FR334000A (en)

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