US Patent 11744422 Vacuum cleaner
Patent 11744422 was granted and assigned to Bissell on September, 2023 by the United States Patent and Trademark Office.
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US Patent 11744422 Vacuum cleaner
Article
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.
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
11744422
Patent Inventor Names
Gabriel Melching
Mark J. Bissell
Matthew T. Acker
Date of Patent
September 5, 2023
Patent Application Number
16864284
Date Filed
May 1, 2020
Patent Citations
Patent Primary Examiner
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