FR325368A - Improvements relating to electric lamps - Google Patents
Improvements relating to electric lampsInfo
- Publication number
- FR325368A FR325368A FR325368DA FR325368A FR 325368 A FR325368 A FR 325368A FR 325368D A FR325368D A FR 325368DA FR 325368 A FR325368 A FR 325368A
- Authority
- FR
- France
- Prior art keywords
- improvements relating
- electric lamps
- lamps
- electric
- relating
- 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
- 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
- F21V17/12—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 by screwing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR325368T | 1902-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR325368A true FR325368A (en) | 1903-04-27 |
Family
ID=1375530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR325368D Expired FR325368A (en) | 1902-10-17 | 1902-10-17 | Improvements relating to electric lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR325368A (en) |
-
1902
- 1902-10-17 FR FR325368D patent/FR325368A/en not_active Expired
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