Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Matthew T. Acker
Mark J. Bissell
Gabriel Melching
Date of Patent
September 5, 2023
Patent Application Number
16864284
Date Filed
May 1, 2020
Patent Citations
...
Patent Primary Examiner
A vacuum cleaner includes an air treatment or debris removable assembly with a multi-layer filtration stage. The multi-layer filtration stage can include an outer mesh screen, a louvered exhaust grill, and a multi-layer filter. Optionally, an inner perforated exhaust grill is also provided. The debris removable assembly can further include a cyclonic filtration stage.
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