FR1014067A - Miner's electric lamp - Google Patents
Miner's electric lampInfo
- Publication number
- FR1014067A FR1014067A FR1014067DA FR1014067A FR 1014067 A FR1014067 A FR 1014067A FR 1014067D A FR1014067D A FR 1014067DA FR 1014067 A FR1014067 A FR 1014067A
- Authority
- FR
- France
- Prior art keywords
- miner
- electric lamp
- lamp
- electric
- 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
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1014067T | 1950-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1014067A true FR1014067A (en) | 1952-08-08 |
Family
ID=9572082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1014067D Expired FR1014067A (en) | 1950-03-08 | 1950-03-08 | Miner's electric lamp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1014067A (en) |
-
1950
- 1950-03-08 FR FR1014067D patent/FR1014067A/en not_active Expired
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