GB355218A - Improvements in luminous indicators for electric switches - Google Patents

Improvements in luminous indicators for electric switches

Info

Publication number
GB355218A
GB355218A GB1441430A GB1441430A GB355218A GB 355218 A GB355218 A GB 355218A GB 1441430 A GB1441430 A GB 1441430A GB 1441430 A GB1441430 A GB 1441430A GB 355218 A GB355218 A GB 355218A
Authority
GB
United Kingdom
Prior art keywords
class
electric switches
luminous indicators
luminous
knob
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
GB1441430A
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
Priority to GB1441430A priority Critical patent/GB355218A/en
Publication of GB355218A publication Critical patent/GB355218A/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
    • H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks

Landscapes

  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Contacts (AREA)

Abstract

355,218. Indicators for switches. COLLINSON, A., 42, Gainsboro Road, Blackpool. May 10, 1930, No. 14414. [Class 38 (v).] A luminous indicator for the knob or handle of a switch comprises a lens 7 backed by luminous material 5 and mounted in a metal shield 6 adapted to fit over the knob and to be held there by projections 5a of the shield being bent over. Reference has been directed by the Comptroller to Specifications 17930/06, [Class 38, Electricity, Regulating &c.], 7581/13, 274,358, and 276,225, [all in Class 38 (v), Electric switches &c.].
GB1441430A 1930-05-10 1930-05-10 Improvements in luminous indicators for electric switches Expired GB355218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1441430A GB355218A (en) 1930-05-10 1930-05-10 Improvements in luminous indicators for electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1441430A GB355218A (en) 1930-05-10 1930-05-10 Improvements in luminous indicators for electric switches

Publications (1)

Publication Number Publication Date
GB355218A true GB355218A (en) 1931-08-10

Family

ID=10040768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1441430A Expired GB355218A (en) 1930-05-10 1930-05-10 Improvements in luminous indicators for electric switches

Country Status (1)

Country Link
GB (1) GB355218A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185354A (en) * 1986-01-13 1987-07-15 George Frank Henrick The optical light switch
GB2250636A (en) * 1990-10-31 1992-06-10 Tranter Malcolm Desmond Identifying switches and other articles in the dark

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185354A (en) * 1986-01-13 1987-07-15 George Frank Henrick The optical light switch
GB2250636A (en) * 1990-10-31 1992-06-10 Tranter Malcolm Desmond Identifying switches and other articles in the dark

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