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
James Haythornthwaite
Bulcock Duckworth
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.)
HAYTHORNTHWAITE JAMES ALAN
Original Assignee
HAYTHORNTHWAITE JAMES ALAN
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 HAYTHORNTHWAITE JAMES ALANfiledCriticalHAYTHORNTHWAITE JAMES ALAN
Application grantedgrantedCritical
Publication of GB189603848ApublicationCriticalpatent/GB189603848A/en