FR37213E - Development of lighting lanterns - Google Patents

Development of lighting lanterns

Info

Publication number
FR37213E
FR37213E FR37213DA FR37213E FR 37213 E FR37213 E FR 37213E FR 37213D A FR37213D A FR 37213DA FR 37213 E FR37213 E FR 37213E
Authority
FR
France
Prior art keywords
development
lighting lanterns
lanterns
lighting
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
Charles-Louis Grimmeisen
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 FR37213E publication Critical patent/FR37213E/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR37213D 1929-07-13 1929-07-13 Development of lighting lanterns Expired FR37213E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR37213T 1929-07-13

Publications (1)

Publication Number Publication Date
FR37213E true FR37213E (en) 1930-11-03

Family

ID=8673875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37213D Expired FR37213E (en) 1929-07-13 1929-07-13 Development of lighting lanterns

Country Status (1)

Country Link
FR (1) FR37213E (en)

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