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
Inventor
John Meiggs Ewen
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
Application grantedgrantedCritical
Publication of GB189716531ApublicationCriticalpatent/GB189716531A/en
16,531. Ewen, J. M. July 13. Windows.- Double prism lights B, B a r e arranged to deflect the light horizontally into the room, and may be hinged together so that one light can be turned inwards to throw the rays of light into a certain part of the room, or alter the the distribution.
GB189716531D1897-07-131897-07-13Double Prism Plates or Windows.
ExpiredGB189716531A
(en)