GB356361A - - Google Patents

Info

Publication number
GB356361A
GB356361A GB20210/30A GB2021030A GB356361A GB 356361 A GB356361 A GB 356361A GB 20210/30 A GB20210/30 A GB 20210/30A GB 2021030 A GB2021030 A GB 2021030A GB 356361 A GB356361 A GB 356361A
Authority
GB
United Kingdom
Prior art keywords
lamp
wall
july
casing
switch
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
GB20210/30A
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
Publication of GB356361A publication Critical patent/GB356361A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

356,361. Indicators for switches. LULKI, A., 71, Kaiser-Allee, Friedenau, Berlin. July 3, 1930, No. 20210. Convention date, July 4, 1929. [Class 38 (v).] A lamp or gas-discharge tube for indicating the position of a flush wall switch in the dark is mounted in a casing b disposed near the switch casing a in the wall c. The two casings may be built together into the wall and then covered by a glass or other plate d or by two separate plates, and the plate opposite the lamp may have an aperture through which the lamp partially projects.
GB20210/30A 1929-07-04 1930-07-03 Expired GB356361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE356361T 1929-07-04

Publications (1)

Publication Number Publication Date
GB356361A true GB356361A (en) 1931-09-10

Family

ID=31895281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20210/30A Expired GB356361A (en) 1929-07-04 1930-07-03

Country Status (3)

Country Link
BE (1) BE371345A (en)
FR (1) FR697799A (en)
GB (1) GB356361A (en)

Also Published As

Publication number Publication date
FR697799A (en) 1931-01-22
BE371345A (en)

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