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.)
REEVES PATENT FILTERS Co
Original Assignee
REEVES PATENT FILTERS Co
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Filing date
Publication date
Application filed by REEVES PATENT FILTERS CofiledCriticalREEVES PATENT FILTERS Co
Application grantedgrantedCritical
Publication of GB190001764ApublicationCriticalpatent/GB190001764A/en