Liquid purification or separation – With repair or assembling means – Hoist or handle means
Reexamination Certificate
2005-05-03
2005-05-03
Savage, Matthew O. (Department: 1723)
Liquid purification or separation
With repair or assembling means
Hoist or handle means
C210S347000, C210S470000, C210S486000
Reexamination Certificate
active
06887378
ABSTRACT:
A filter cartridge assembly, and method for constructing the same, wherein the assembly has at least two axially adjacent filter cells separated by a spacer ring and a lifting means having a mounting portion with an opening formed therein for surrounding the outer periphery of the spacer ring. The lifting means also includes opposed elongated arms which extend radially outwardly from the central mounting portion and have gripping portions for facilitating lifting the filter cartridge assembly.
REFERENCES:
patent: 2788901 (1957-04-01), Boeddinghaus et al.
patent: 5482624 (1996-01-01), Swiatek et al.
patent: 5607584 (1997-03-01), Swiatek et al.
patent: 5965019 (1999-10-01), Olsen et al.
patent: 6139253 (2000-10-01), Battrel
patent: 2185695 (1987-07-01), None
patent: WO 9835740 (1998-08-01), None
patent: WO 0218030 (2002-03-01), None
CUNO Incorporated
Payne R. Thomas
Savage Matthew O.
Tomich John A.
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