FR658759A - Enveloppe de lampe pour diffuser la lumière - Google Patents

Enveloppe de lampe pour diffuser la lumière

Info

Publication number
FR658759A
FR658759A FR658759DA FR658759A FR 658759 A FR658759 A FR 658759A FR 658759D A FR658759D A FR 658759DA FR 658759 A FR658759 A FR 658759A
Authority
FR
France
Prior art keywords
diffuse light
lamp casing
lamp
casing
diffuse
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
Etienne Collignon
Raymond Darrasse
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 filed Critical
Application granted granted Critical
Publication of FR658759A publication Critical patent/FR658759A/fr
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
    • F21V3/00—Globes; Bowls; Cover glasses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR658759D 1928-05-07 1928-05-07 Enveloppe de lampe pour diffuser la lumière Expired FR658759A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR658759T 1928-05-07

Publications (1)

Publication Number Publication Date
FR658759A true FR658759A (fr) 1929-06-19

Family

ID=9009287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR658759D Expired FR658759A (fr) 1928-05-07 1928-05-07 Enveloppe de lampe pour diffuser la lumière

Country Status (1)

Country Link
FR (1) FR658759A (fr)

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