FR922424A - Perfectionnements aux armatures pour tubes lumineux - Google Patents

Perfectionnements aux armatures pour tubes lumineux

Info

Publication number
FR922424A
FR922424A FR922424DA FR922424A FR 922424 A FR922424 A FR 922424A FR 922424D A FR922424D A FR 922424DA FR 922424 A FR922424 A FR 922424A
Authority
FR
France
Prior art keywords
frames
light tubes
tubes
light
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)
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.)
Mcstay Jackson & Co
Original Assignee
Mcstay Jackson & Co
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 Mcstay Jackson & Co filed Critical Mcstay Jackson & Co
Application granted granted Critical
Publication of FR922424A publication Critical patent/FR922424A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR922424D 1944-12-29 1945-12-22 Perfectionnements aux armatures pour tubes lumineux Expired FR922424A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US922424XA 1944-12-29 1944-12-29

Publications (1)

Publication Number Publication Date
FR922424A true FR922424A (fr) 1947-06-09

Family

ID=22232334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922424D Expired FR922424A (fr) 1944-12-29 1945-12-22 Perfectionnements aux armatures pour tubes lumineux

Country Status (1)

Country Link
FR (1) FR922424A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918215C (de) * 1952-02-14 1954-09-20 Keller & Co Raster fuer Leuchtstoffroehren od. dgl.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918215C (de) * 1952-02-14 1954-09-20 Keller & Co Raster fuer Leuchtstoffroehren od. dgl.

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