FR549072A - Improvements to fixed electric lighting devices - Google Patents

Improvements to fixed electric lighting devices

Info

Publication number
FR549072A
FR549072A FR549072DA FR549072A FR 549072 A FR549072 A FR 549072A FR 549072D A FR549072D A FR 549072DA FR 549072 A FR549072 A FR 549072A
Authority
FR
France
Prior art keywords
lighting devices
fixed electric
electric lighting
fixed
devices
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
Richard Meek Beard
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 FR549072A publication Critical patent/FR549072A/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
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR549072D 1922-03-18 1922-03-18 Improvements to fixed electric lighting devices Expired FR549072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549072T 1922-03-18

Publications (1)

Publication Number Publication Date
FR549072A true FR549072A (en) 1923-02-01

Family

ID=8935272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549072D Expired FR549072A (en) 1922-03-18 1922-03-18 Improvements to fixed electric lighting devices

Country Status (1)

Country Link
FR (1) FR549072A (en)

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