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
GB13224/37A
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.)
WILLIAM BRYAN PIPER
Original Assignee
WILLIAM BRYAN PIPER
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 WILLIAM BRYAN PIPERfiledCriticalWILLIAM BRYAN PIPER
Publication of GB468134ApublicationCriticalpatent/GB468134A/en
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)
Vessels And Coating Films For Discharge Lamps
(AREA)
Glass Compositions
(AREA)
Abstract
468,134. Discharge lamps. PIPER, W. B. Sept. 24, 1935, No. 13224/37. Convention date, Sept. 27, 1934. Divided out of 468,136. Drawings to Specification.- [Class 39 (i)] [Also in Group XVIII] The subject - matter is the same as that of Specification 468,136, but the invention relates to the arrangement of the electrode tubes in the rear glass plate.
GB13224/37A1934-09-271935-09-24Improvements in illuminated signs
ExpiredGB468134A
(en)