FR561146A - Electric mine lamp - Google Patents

Electric mine lamp

Info

Publication number: FR561146A
Authority: FR; France
Prior art keywords: mine lamp; electric mine; electric; lamp; mine
Prior art date: 1923-01-17
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CEAG Concordia Elekrizitats AG

Original Assignee

CEAG Concordia Elekrizitats AG

Priority date (The priority date 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 date listed.)

1923-01-17

Filing date

1923-01-17

Publication date

1923-10-16

1923-01-17 Application filed by CEAG Concordia Elekrizitats AG filed Critical CEAG Concordia Elekrizitats AG

1923-10-16 Application granted granted Critical

1923-10-16 Publication of FR561146A publication Critical patent/FR561146A/en

Status Expired legal-status Critical Current

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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
- 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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)

FR561146D 1923-01-17 1923-01-17 Electric mine lamp Expired FR561146A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR561146T		1923-01-17

Publications (1)

Publication Number	Publication Date
FR561146A true FR561146A (en)	1923-10-16

Family

ID=8943422

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR561146D Expired FR561146A (en)	1923-01-17	1923-01-17	Electric mine lamp

Country Status (1)

Country	Link
FR (1)	FR561146A (en)

1923
- 1923-01-17 FR FR561146D patent/FR561146A/en not_active Expired

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