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.)
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 IndividualfiledCriticalIndividual
Publication of GB308765ApublicationCriticalpatent/GB308765A/en
H01K9/00—Lamps having two or more incandescent bodies separately heated
H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
Landscapes
Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)
GB31235/28A1928-03-311928-10-27Improvements in incandescent electric lamps having means for giving different degrees of luminous intensity
ExpiredGB308765A
(en)
Электрический переключатель, служащий дл переключени электрических ламп накаливани или других приемников тока с последовательного соединени на параллельное