Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Reexamination Certificate
2005-01-11
2005-01-11
Walczak, David J. (Department: 3751)
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
C401S198000
Reexamination Certificate
active
06840692
ABSTRACT:
Melt blown bicomponent fibers comprising a sheath of polyethylene terephthalate or a copolymer thereof and a core of nylon 6,6 and a reservoir or a nib in a writing or marking instrument comprising a porous element formed from such fibers bonded to each other at spaced points of contact. For use as a nib the core polymer may also be polybutylene terephthalate.
REFERENCES:
patent: 4221493 (1980-09-01), Cole et al.
patent: 5445884 (1995-08-01), Hoyt et al.
patent: 5607766 (1997-03-01), Berger
patent: 5633082 (1997-05-01), Berger et al.
International Search Report corresponding to PCT/US03/08392 mailed on Jul. 15, 2003.
Long Robert D.
Nelson Donald F.
Nelson Raymond J.
Payne, Jr. Jackie F.
Ward Bennett C.
Filtrona Richmond, Inc.
Hunton & Williams LLP
Walczak David J.
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