GB536773A - Improvements in and relating to electric lighting fittings - Google Patents
Improvements in and relating to electric lighting fittingsInfo
- Publication number
- GB536773A GB536773A GB3100539A GB3100539A GB536773A GB 536773 A GB536773 A GB 536773A GB 3100539 A GB3100539 A GB 3100539A GB 3100539 A GB3100539 A GB 3100539A GB 536773 A GB536773 A GB 536773A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- electric lighting
- relating
- lighting fittings
- surrounding
- 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
- F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
536,773. Electric lighting fittings. HIRSCH, E. Nov. 28, 1939, No. 31005. [Class 75 (ii)] An electric lighting fitting comprises a reflector 11, the surface of which slopes upwardly and inwardly from the periphery of an angle of not less than 30 degrees and a decorative shell 14 surrounding the reflector 11 laterally. The reflector may be provided with a cylindrical portion 9 surrounding the conventional lamp holder 2, and a concave spherical portion 10 may be interposed between the portions 9, 11. The reflector 11 and the shell 14 may be opal glass, and the light source may be disposed so that it is not above the upper extremity of the conical surface 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3100539A GB536773A (en) | 1939-11-28 | 1939-11-28 | Improvements in and relating to electric lighting fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3100539A GB536773A (en) | 1939-11-28 | 1939-11-28 | Improvements in and relating to electric lighting fittings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB536773A true GB536773A (en) | 1941-05-27 |
Family
ID=10316490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3100539A Expired GB536773A (en) | 1939-11-28 | 1939-11-28 | Improvements in and relating to electric lighting fittings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB536773A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2666844A (en) * | 1951-07-11 | 1954-01-19 | Products Designs Co | Lighting fixture |
-
1939
- 1939-11-28 GB GB3100539A patent/GB536773A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2666844A (en) * | 1951-07-11 | 1954-01-19 | Products Designs Co | Lighting fixture |
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