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
GB1669134A
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to GB1669134ApriorityCriticalpatent/GB440884A/en
Publication of GB440884ApublicationCriticalpatent/GB440884A/en
Filter paper and other filtering-medium in sheet form has incorporated in it a quantity of kieselguhr, wood meal, magnesium carbonate, or a material of pumiceous nature.
GB1669134A1934-06-051934-06-05Improvements in and relating to filter media in sheet form
ExpiredGB440884A
(en)