FR30620E - Improvements to electric lamps and reflectors - Google Patents

Improvements to electric lamps and reflectors

Info

Publication number
FR30620E
FR30620E FR30620DA FR30620E FR 30620 E FR30620 E FR 30620E FR 30620D A FR30620D A FR 30620DA FR 30620 E FR30620 E FR 30620E
Authority
FR
France
Prior art keywords
reflectors
electric lamps
lamps
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)
Inventor
Michel Tchacon
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 FR30620E publication Critical patent/FR30620E/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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR30620D 1925-06-12 1925-06-12 Improvements to electric lamps and reflectors Expired FR30620E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR30620T 1925-06-12

Publications (1)

Publication Number Publication Date
FR30620E true FR30620E (en) 1926-07-20

Family

ID=8668514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR30620D Expired FR30620E (en) 1925-06-12 1925-06-12 Improvements to electric lamps and reflectors

Country Status (1)

Country Link
FR (1) FR30620E (en)

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