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Patent
D383036
Priority
Nov 16 1995
Filed
Nov 16 1995
Issued
Sep 02 1997
Expiry
Sep 02 2011
Assg.orig
Entity
unknown
6
34
n/a
The ornamental design for a filter cake holder , as shown.
FIG. 1 is a top perspective view of a filter cake holder showing our new
design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
Cohen, Bernard , Jameson, Lee Kirby
Patent
Priority
Assignee
Title
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Oil-Dri Corporation of America
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Water barrier of water-swellable clay or other abrasive material sandwiched between interconnected layers of flexible fabric sewn or needled together using a lubricant and/or a liquid adhesive
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AMCOL INTERNATIONAL CORPORATION, A DELAWARE CORPORATION
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Minnesota Mining and Manufacturing Company
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Date
Maintenance Fee Events
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Date
Maintenance Schedule
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