KADANT FIBERGEN INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5730371 DelumperExpiredApr 16, 96Mar 24, 98[B02C]
4734393 Non-clay oil and grease absorbentExpiredJun 20, 85Mar 29, 88[C09K, B01J]
4721059 Nonclay catbox fillerExpiredAug 27, 86Jan 26, 88[A01K]
4621011 Agglomerated cellulosic particlesExpiredSep 30, 85Nov 04, 86[B32B]
4619862 Particulate paper product, especially for use as animal litterExpiredApr 05, 83Oct 28, 86[B32B]
4560527 Method of making agglomerated cellulosic particles using a substantially horizontal rotating drumExpiredApr 24, 84Dec 24, 85[B29C]

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