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
GB14695/21A
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.)
LEON ALBERT DIDIER
Original Assignee
LEON ALBERT DIDIER
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 LEON ALBERT DIDIERfiledCriticalLEON ALBERT DIDIER
Publication of GB168038ApublicationCriticalpatent/GB168038A/en
F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Fastening Of Light Sources Or Lamp Holders
(AREA)
Abstract
168,038. Didier, L. A. Aug. 17, 1920, [Convention date]. Reflectors. - In miners' electric lamps a reflector 15 has its edge turned over the upper edge of the glass cylinder 9, and is clamped between this and the top plate 18.
GB14695/21A1920-08-171921-05-26Electric safety lamp for miners
ExpiredGB168038A
(en)