Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
2005-05-24
2005-05-24
Spisich, Mark (Department: 1744)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C015S104001, C015S104002, C015S209100, C294S001200, C436S174000
Reexamination Certificate
active
06896741
ABSTRACT:
A hand-held cleaning tool comprises a flexible elongated member having at one end a polymer cleaning element and a finger grip at the other end, the polymer being non-abrasive with inherent adhesion for small particles and hair, no aqueous solubility, non-corrosive, no particulate emission, and no separate chemical impregnation into the polymer.
REFERENCES:
patent: 3409928 (1968-11-01), Thurman
patent: 3974539 (1976-08-01), Barouh et al.
patent: 4130912 (1978-12-01), Sheppard et al.
patent: 4637089 (1987-01-01), Schwarz
patent: 5239723 (1993-08-01), Chen
patent: 5661869 (1997-09-01), Grout
patent: 5765887 (1998-06-01), Weichman et al.
patent: 6175984 (2001-01-01), Prime et al.
“Cleaning Stick”, IBM Technical Disclosure Bulletin, vol. 30, No. 7, Dec. 1987.*
Dycem Contamination Control Price Sheet—Jan. 1, 2002.
Schiff & Hardin LLP
Spisich Mark
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