Patent
   D310474
Priority
Jan 19 1988
Filed
Jan 19 1988
Issued
Sep 11 1990
Expiry
Sep 11 2004
Assg.orig
Entity
unknown
21
5
n/a
The ornamental design for a retractable double blade knife, as shown and described.

FIG. 1 is a right side elevational view of a retractable double blade knife showing our new design;

FIG. 2 is a top plan view thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a front elevational view thereof, the rear view being substantially the same.

Bartsch, Daniel, Bartsch, Jane A.

Patent Priority Assignee Title
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