FR678387A - Perfectionnements aux panneaux éclairés - Google Patents

Perfectionnements aux panneaux éclairés

Info

Publication number
FR678387A
FR678387A FR678387DA FR678387A FR 678387 A FR678387 A FR 678387A FR 678387D A FR678387D A FR 678387DA FR 678387 A FR678387 A FR 678387A
Authority
FR
France
Prior art keywords
illuminated panels
illuminated
panels
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.)
Pioneer Instrument Co Inc
Original Assignee
Pioneer Instrument Co Inc
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 Pioneer Instrument Co Inc filed Critical Pioneer Instrument Co Inc
Application granted granted Critical
Publication of FR678387A publication Critical patent/FR678387A/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
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR678387D 1929-03-26 1929-07-13 Perfectionnements aux panneaux éclairés Expired FR678387A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US678387XA 1929-03-26 1929-03-26

Publications (1)

Publication Number Publication Date
FR678387A true FR678387A (fr) 1930-03-21

Family

ID=22078752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678387D Expired FR678387A (fr) 1929-03-26 1929-07-13 Perfectionnements aux panneaux éclairés

Country Status (1)

Country Link
FR (1) FR678387A (fr)

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