FR728732A - Electric switch - Google Patents

Electric switch

Info

Publication number
FR728732A
FR728732A FR728732DA FR728732A FR 728732 A FR728732 A FR 728732A FR 728732D A FR728732D A FR 728732DA FR 728732 A FR728732 A FR 728732A
Authority
FR
France
Prior art keywords
electric switch
switch
electric
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
French (fr)
Inventor
George Bayard Jones
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 FR728732A publication Critical patent/FR728732A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/26—Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR728732D 1930-12-26 1931-12-22 Electric switch Expired FR728732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US728732XA 1930-12-26 1930-12-26

Publications (1)

Publication Number Publication Date
FR728732A true FR728732A (en) 1932-07-11

Family

ID=1545030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728732D Expired FR728732A (en) 1930-12-26 1931-12-22 Electric switch

Country Status (1)

Country Link
FR (1) FR728732A (en)

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