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公开(公告)号：US3721502A
公开(公告)日：1973-03-20
申请号：US3721502D
申请日：1971-08-17
Applicant: OGNIBENE P
Inventor： OGNIBENE P
IPC: A47L1/08
CPC classification number: A47L1/08
Abstract: A portable apparatus for cleaning window-panes or the like, substantially comprising a handle carrying a roller swinging against a spring and containing a detergent liquid capable of emerging from small valves which are pressed against the roller surface as the roller rotates, a squeegee being provided for removing the detergent liquid by spongy squeezable collecting means and means for conveying the squeezed liquid into a reservoir provided in said handle.
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