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.)
Hopkinson & Co Ltd J
Original Assignee
Hopkinson & Co Ltd J
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Filing date
Publication date
Application filed by Hopkinson & Co Ltd JfiledCriticalHopkinson & Co Ltd J
Application grantedgrantedCritical
Publication of GB190023321ApublicationCriticalpatent/GB190023321A/en