Invention Grant
- Patent Title: Clean exhaust air upright vacuum
- Patent Title (中): 清洁排气直立真空
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Application No.: US11761277Application Date: 2007-06-11
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Publication No.: US07657966B1Publication Date: 2010-02-09
- Inventor: Barry R. Schwartz
- Applicant: Barry R. Schwartz
- Agency: Patent Law Office of Rick Martin, P.C.
- Agent Rick Martin
- Main IPC: A47L9/10
- IPC: A47L9/10
Abstract:
An upright bypass type vacuum base section pulls from a suction chamber surrounding the bag.
Information query
