Reticulated open cell filling material

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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Details

C428S315700, C428S316600, C005S636000, C005S637000, C005S638000, C005S953000, C005S655900

Reexamination Certificate

active

10949007

ABSTRACT:
Flexible filtering filling material consisting of pieces that are 100% open cell reticulated polyurethane foam. The pieces filter out the damp warm condition within the filling, haltering the proliferation of microorganisms, giving the product a more sanitary and longer life.

REFERENCES:
patent: 3171820 (1965-03-01), Volz
patent: 3761131 (1973-09-01), Oliver
patent: 3900648 (1975-08-01), Smith
patent: 4060863 (1977-12-01), Craig
patent: 4862539 (1989-09-01), Bokich
patent: 4924541 (1990-05-01), Inagaki
patent: 5228158 (1993-07-01), Park
patent: 5797154 (1998-08-01), Contreras
patent: 5839138 (1998-11-01), Weidman et al.

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