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.)
LAMP Manufacturing CO LD
Original Assignee
LAMP Manufacturing CO LD
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 LAMP Manufacturing CO LDfiledCriticalLAMP Manufacturing CO LD
Application grantedgrantedCritical
Publication of GB189422532ApublicationCriticalpatent/GB189422532A/en