FR1015884A - Improvements to ceiling-portlights - Google Patents
Improvements to ceiling-portlightsInfo
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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) |
-
1950
- 1950-04-03 FR FR1015884D patent/FR1015884A/en not_active Expired
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