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
GB1006330A
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.)
MICHAEL RICHARD HOLLAND SADLER
Original Assignee
MICHAEL RICHARD HOLLAND SADLER
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 MICHAEL RICHARD HOLLAND SADLERfiledCriticalMICHAEL RICHARD HOLLAND SADLER
Priority to GB1006330ApriorityCriticalpatent/GB347434A/en
Publication of GB347434ApublicationCriticalpatent/GB347434A/en
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
G09F13/04—Signs, boards or panels, illuminated from behind the insignia
G09F13/14—Arrangements of reflectors therein
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
Illuminated Signs And Luminous Advertising
(AREA)
Abstract
347,434. Changing signs. SADLER, M. R. H., The Mansion, Church Street, Ashbourne, Derbyshire. March 29, 1930, No. 10063. [Class 3 (i).] A casing having a translucent display screen contains a colour filter b rotated by a belt about a supporting spindle d. A stationary reflector e carrying lampholders &c. f is mounted within the filter b. One panel b<1> of the filter is opaque to obliterate the display periodically and to serve as a strengthening plate.
GB1006330A1930-03-291930-03-29Improvements in illuminated advertisement signs
ExpiredGB347434A
(en)