Spa and pool filter

Details Spa and pool filter Spa and pool filter

2005-09-06

2005-09-06

Popovics, Robert James (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S237000, C210S256000, C210S315000, C210S416200, C210S470000, C210S484000, C210S497010, C055S357000, C055S378000, C055S380000, C055SDIG002, C055SDIG002, C220S009400, C220S495110, C383S008000, C383S102000

Reexamination Certificate

active

06939463

ABSTRACT:
A filter for a spa or pool, having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the sheath into the filter. Operation of the spa water circulation system draws spa water into the filter bag pocket while concurrently spa water is drawn transversely through the filter bag sheath and auxiliary spa water openings into the filter body. An O-ring encircles the upper portion of the filter bag to releasably retain such bag to the filter body during operation of the spa water circulation system.

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patent: 6685843 (2004-02-01), Leaverton

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