GB189625098A - Improvements in and Apparatus for the Admission of Pure or Filtered Air to Rooms and other places, or Apartments, and for Preventing the Admission of Dust and Dirt.
- Google Patents
Improvements in and Apparatus for the Admission of Pure or Filtered Air to Rooms and other places, or Apartments, and for Preventing the Admission of Dust and Dirt.
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
Inventor
Vernon Butterworth Radcliffe
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
Application grantedgrantedCritical
Publication of GB189625098ApublicationCriticalpatent/GB189625098A/en
GB189625098D1896-11-091896-11-09Improvements in and Apparatus for the Admission of Pure or Filtered Air to Rooms and other places, or Apartments, and for Preventing the Admission of Dust and Dirt.
ExpiredGB189625098A
(en)
Improvements in and Apparatus for the Admission of Pure or Filtered Air to Rooms and other places, or Apartments, and for Preventing the Admission of Dust and Dirt.
Improvements in and Apparatus for the Admission of Pure or Filtered Air to Rooms and other places, or Apartments, and for Preventing the Admission of Dust and Dirt.