FR728312A - protective screen for electric lamps - Google Patents

protective screen for electric lamps

Info

Publication number
FR728312A
FR728312A FR728312DA FR728312A FR 728312 A FR728312 A FR 728312A FR 728312D A FR728312D A FR 728312DA FR 728312 A FR728312 A FR 728312A
Authority
FR
France
Prior art keywords
protective screen
electric lamps
lamps
electric
protective
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
Paul Courteille
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 FR728312A publication Critical patent/FR728312A/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
    • F21V17/06—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 lampholder
    • 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)
FR728312D 1929-07-17 1929-07-17 protective screen for electric lamps Expired FR728312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR728312T 1929-07-17

Publications (1)

Publication Number Publication Date
FR728312A true FR728312A (en) 1932-07-04

Family

ID=9111764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728312D Expired FR728312A (en) 1929-07-17 1929-07-17 protective screen for electric lamps

Country Status (1)

Country Link
FR (1) FR728312A (en)

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