FR557210A - protective screen for electric lamps - Google Patents
protective screen for electric lampsInfo
- Publication number
- FR557210A FR557210A FR557210DA FR557210A FR 557210 A FR557210 A FR 557210A FR 557210D A FR557210D A FR 557210DA FR 557210 A FR557210 A FR 557210A
- Authority
- FR
- France
- Prior art keywords
- protective screen
- electric lamps
- lamps
- electric
- protective
- 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
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR557210T | 1922-10-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR557210A true FR557210A (en) | 1923-08-04 |
Family
ID=8940702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR557210D Expired FR557210A (en) | 1922-10-09 | 1922-10-09 | protective screen for electric lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR557210A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969622A (en) * | 1975-06-19 | 1976-07-13 | Brandt Neil W | Socket locking structure |
-
1922
- 1922-10-09 FR FR557210D patent/FR557210A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969622A (en) * | 1975-06-19 | 1976-07-13 | Brandt Neil W | Socket locking structure |
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