Patent
   D304464
Priority
Jul 10 1987
Filed
Jul 10 1987
Issued
Nov 07 1989
Expiry
Nov 07 2003
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for caternary arch building toy, as shown and described.

FIG. 1 is a front elevational view of a catenary arch building toy showing my new design, the side opposite being substantially mirror image;

FIG. 2 is a right side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Andrews, Donald L.

Patent Priority Assignee Title
D989884, Dec 14 2017 Three-dimensional arch puzzle
Patent Priority Assignee Title
1568252,
1878373,
604708,
FR464185,
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