FR944833A - Improvements to reflectors for light bulbs - Google Patents
Improvements to reflectors for light bulbsInfo
- Publication number
- FR944833A FR944833A FR944833DA FR944833A FR 944833 A FR944833 A FR 944833A FR 944833D A FR944833D A FR 944833DA FR 944833 A FR944833 A FR 944833A
- Authority
- FR
- France
- Prior art keywords
- reflectors
- light bulbs
- bulbs
- light
- 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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR944833T | 1947-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR944833A true FR944833A (en) | 1949-04-15 |
Family
ID=9471960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR944833D Expired FR944833A (en) | 1947-03-26 | 1947-03-26 | Improvements to reflectors for light bulbs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR944833A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2810820A (en) * | 1954-10-06 | 1957-10-22 | Price Brothers Inc | Planter lamp |
US2866086A (en) * | 1956-09-24 | 1958-12-23 | Moss Gerald | Lamps |
US4807100A (en) * | 1987-03-20 | 1989-02-21 | Mechanical Service Company | Light director |
-
1947
- 1947-03-26 FR FR944833D patent/FR944833A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2810820A (en) * | 1954-10-06 | 1957-10-22 | Price Brothers Inc | Planter lamp |
US2866086A (en) * | 1956-09-24 | 1958-12-23 | Moss Gerald | Lamps |
US4807100A (en) * | 1987-03-20 | 1989-02-21 | Mechanical Service Company | Light director |
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