Liquid purification or separation – Filter – Handled
Reexamination Certificate
2011-07-26
2011-07-26
Prince, Fred (Department: 1776)
Liquid purification or separation
Filter
Handled
C004S490000
Reexamination Certificate
active
07984811
ABSTRACT:
The present invention is directed to a pivoting swimming pool tool device including a pivot mechanism, a frame member, and a net to allow a person to remove large quantities of surface debris from a swimming pool.
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patent: 2004/0108259 (2004-06-01), Giannantonio
patent: 2006/0016047 (2006-01-01), Blackman et al.
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