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
GB661741A
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.)
CHARLES DONALD SMITH
Turley & Williams Ltd
Original Assignee
CHARLES DONALD SMITH
Turley & Williams 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 CHARLES DONALD SMITH, Turley & Williams LtdfiledCriticalCHARLES DONALD SMITH
Priority to GB661741ApriorityCriticalpatent/GB540594A/en
Publication of GB540594ApublicationCriticalpatent/GB540594A/en