FR1015884A - Improvements to ceiling-portlights - Google Patents

Improvements to ceiling-portlights

Info

Publication number
FR1015884A
FR1015884A FR1015884DA FR1015884A FR 1015884 A FR1015884 A FR 1015884A FR 1015884D A FR1015884D A FR 1015884DA FR 1015884 A FR1015884 A FR 1015884A
Authority
FR
France
Prior art keywords
portlights
ceiling
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.)
SONTAG ETS
Original Assignee
SONTAG ETS
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 SONTAG ETS filed Critical SONTAG ETS
Application granted granted Critical
Publication of FR1015884A publication Critical patent/FR1015884A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1015884D 1950-04-03 1950-04-03 Improvements to ceiling-portlights Expired FR1015884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1015884T 1950-04-03

Publications (1)

Publication Number Publication Date
FR1015884A true FR1015884A (en) 1952-10-27

Family

ID=9573317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1015884D Expired FR1015884A (en) 1950-04-03 1950-04-03 Improvements to ceiling-portlights

Country Status (1)

Country Link
FR (1) FR1015884A (en)

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