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
GB518828A
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.)
JACK GILBERT HEMSTED
WALTER THOMAS CHAPMAN
Original Assignee
JACK GILBERT HEMSTED
WALTER THOMAS CHAPMAN
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 JACK GILBERT HEMSTED, WALTER THOMAS CHAPMANfiledCriticalJACK GILBERT HEMSTED
Priority to GB518828ApriorityCriticalpatent/GB298028A/en
Publication of GB298028ApublicationCriticalpatent/GB298028A/en