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
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.)
Newman William & Sons Ltd
William Newman and Sons Ltd
Original Assignee
Newman William & Sons Ltd
William Newman and Sons Ltd
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 Newman William & Sons Ltd, William Newman and Sons LtdfiledCriticalNewman William & Sons Ltd
Application grantedgrantedCritical
Publication of GB190616953ApublicationCriticalpatent/GB190616953A/en
GB190616953D1906-07-271906-07-27Improvements in Self-opening Appliances for use in connection with Roof-lights, Trap Doors and like Exits
ExpiredGB190616953A
(en)