Filter element

Details Filter element Filter element

1994-06-07

1996-01-23

Zarfas, Lou

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Treatment

Patent

active

D03665160

REFERENCES:
patent: D344783 (1994-03-01), Hirman et al.
patent: 663415 (1900-12-01), Charles
patent: 3907172 (1975-09-01), Curtis
patent: 4240568 (1980-12-01), Pool
patent: 4689144 (1987-08-01), Holmes
Jacuzzi Service Parts, 2.0-SP, Effective Apr. 1, 1986, "#2 element In Line Cartridge Filter", top center of page.
Product literature for Super Star-Clear Cartridge Filters, Hayward Pool Products, Inc., 1992.
Product literature for System 3 Filtration, p. 29, Sta-Rite Co. (date unknown but admitted prior art).
Product literature for filters, p. 84, American Products Co., Jan. 1, 1993.
Product literature for Sea Horse.TM. Polymeric Cartridge Filter, p. 74, Pac Fab Products, Co., 1992.

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