FR1068549A - Improvements to incandescent lamp lighting devices - Google Patents

Improvements to incandescent lamp lighting devices

Info

Publication number
FR1068549A
FR1068549A FR1068549DA FR1068549A FR 1068549 A FR1068549 A FR 1068549A FR 1068549D A FR1068549D A FR 1068549DA FR 1068549 A FR1068549 A FR 1068549A
Authority
FR
France
Prior art keywords
lighting devices
lamp lighting
incandescent lamp
incandescent
devices
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
Application number
Other languages
French (fr)
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.)
EMAILLERIE DU RHONE
Original Assignee
EMAILLERIE DU RHONE
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.)
Filing date
Publication date
Application filed by EMAILLERIE DU RHONE filed Critical EMAILLERIE DU RHONE
Application granted granted Critical
Publication of FR1068549A publication Critical patent/FR1068549A/en
Expired legal-status Critical Current

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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/26—Pivoted arms
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/26—Pivoted arms
    • F21V21/28—Pivoted arms adjustable in more than one plane

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1068549D 1952-12-24 1952-12-24 Improvements to incandescent lamp lighting devices Expired FR1068549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1068549T 1952-12-24

Publications (1)

Publication Number Publication Date
FR1068549A true FR1068549A (en) 1954-06-25

Family

ID=9603813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1068549D Expired FR1068549A (en) 1952-12-24 1952-12-24 Improvements to incandescent lamp lighting devices

Country Status (1)

Country Link
FR (1) FR1068549A (en)

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