FR484422A - Perfectionnements apportés aux lampes - Google Patents

Perfectionnements apportés aux lampes

Info

Publication number
FR484422A
FR484422A FR484422DA FR484422A FR 484422 A FR484422 A FR 484422A FR 484422D A FR484422D A FR 484422DA FR 484422 A FR484422 A FR 484422A
Authority
FR
France
Prior art keywords
lamps
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
English (en)
Inventor
George Kimberly Maltby
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 FR484422A publication Critical patent/FR484422A/fr
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
    • F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR484422D 1917-02-07 1917-02-07 Perfectionnements apportés aux lampes Expired FR484422A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR484422T 1917-02-07

Publications (1)

Publication Number Publication Date
FR484422A true FR484422A (fr) 1917-10-03

Family

ID=1521221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR484422D Expired FR484422A (fr) 1917-02-07 1917-02-07 Perfectionnements apportés aux lampes

Country Status (1)

Country Link
FR (1) FR484422A (fr)

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