Patent
   D331686
Priority
Oct 13 1989
Filed
Apr 10 1990
Issued
Dec 15 1992
Expiry
Dec 15 2006
Assg.orig
Entity
unknown
17
4
n/a
The ornamental design for a butter knife, as shown and described.

FIG. 1 is a right and top perspective view of a butter knife showing my new design; and,

FIG. 2 is a right side elevational view, the left side elevational view being a mirror image.

Persson, Bjorn

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Patent Priority Assignee Title
240790,
D262684, Apr 28 1980 Dart Industries Inc. Onion scoop or the like
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