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Patent
   D256143
Priority
Mar 14 1978
Filed
Mar 14 1978
Issued
Jul 29 1980
Expiry
Jul 29 1994
Inventors
Birnkrant,…
Assg.orig
Colorforms
Assg.curr
Colorforms
Entity
unknown
Referenced by
3
References
4
Maint.:
n/a
The ornamental design for a collapsible toy building, as shown.

FIG. 1 is a front perspective view of a collapsible toy building showing my new design;

FIG. 2 is a rear perspective view thereof; and,

FIG. 3 is a side elevational view thereof shown on an enlarged scale.
INVENTORS:

Birnkrant, Melvyn

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6108982, Oct 21 1997 Folding play structure
D288701, Aug 20 1984 Model church
D657004, Jan 27 2011 IP INTERNATIONAL HOLDINGS PTY LTD Internal component for a foldable toy building
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1016208,
2872753,
917459,
44041,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Mar 14 1978Colorforms(assignment on the face of the patent)
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