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Patent
   D246470
Priority
Dec 29 1975
Filed
Dec 29 1975
Issued
Nov 22 1977
Expiry
Nov 22 1991
Inventors
Sato, Mits…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
9
References
6
Maint.:
n/a
The ornamental design for a builidng block, as shown and described.

FIG. 1 is a perspective view of a building block showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is a top plan view thereof.
INVENTORS:

Sato, Mitsuru

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D437011, Apr 27 2000 Building block module
D437622, Apr 27 2000 Building block module
D442236, Apr 29 2000 Building block module
D442647, Apr 27 2000 Building block module
D557352, Jul 21 2006 Toy element
D567639, Apr 11 2007 LIBERTY HARDWARE MFG CORP Shelf bracket
D725391, Nov 26 2012 Richard Valois Picture framing structure
D963061, May 31 2019 Ankyo Developmet Ltd. Building block
D967284, Dec 09 2019 Jason, Callender Building block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2577170,
2858463,
3641983,
3838535,
230269,
FR1,509,003,
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