FR33870E - Perfectionnements apportés aux phares d'automobiles - Google Patents
Perfectionnements apportés aux phares d'automobilesInfo
- Publication number
- FR33870E FR33870E FR33870DA FR33870E FR 33870 E FR33870 E FR 33870E FR 33870D A FR33870D A FR 33870DA FR 33870 E FR33870 E FR 33870E
- Authority
- FR
- France
- Prior art keywords
- automotive headlights
- headlights
- automotive
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR33870T | 1927-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR33870E true FR33870E (fr) | 1929-03-26 |
Family
ID=8671488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR33870D Expired FR33870E (fr) | 1927-07-12 | 1927-07-12 | Perfectionnements apportés aux phares d'automobiles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR33870E (fr) |
-
1927
- 1927-07-12 FR FR33870D patent/FR33870E/fr not_active Expired
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