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FR526923A - Projection lamp - Google Patents

Projection lamp

Info

Publication number
FR526923A
FR526923A FR526923A FR526923DA FR526923A FR 526923 A FR526923 A FR 526923A FR 526923 A FR526923 A FR 526923A FR 526923D A FR526923D A FR 526923DA FR 526923 A FR526923 A FR 526923A
Authority
FR
France
Prior art keywords
projection lamp
lamp
projection
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
FR526923A
Other languages
French (fr)
Inventor
Morris Isaac Schamberg
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR526923A publication Critical patent/FR526923A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR526923A 1919-11-07 1920-11-06 Projection lamp Expired FR526923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US526923XA 1919-11-07 1919-11-07

Publications (1)

Publication Number Publication Date
FR526923A true FR526923A (en) 1921-10-15

Family

ID=21979282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR526923A Expired FR526923A (en) 1919-11-07 1920-11-06 Projection lamp

Country Status (1)

Country Link
FR (1) FR526923A (en)

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