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The ornamental design for a toy building block, substantially as shown and described. |
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FIG. 1 is a top plan view of a toy building block showing our new design;
FIG. 2 is a bottom plan view;
FIG. 3 is a front elevational view;
FIG. 4 is a side elevational view; and
FIG. 5 is a rear elevational view thereof.
Volpe, Leo S., Hirtle, Michael O.
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| D849157, | Dec 08 2016 | LEGO A S | Toy building brick |
| D859538, | Dec 08 2016 | LEGO A S | Toy building brick |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 21 1983 | VOLPE, LEO S | TYCO INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004188 | /0343 | |
| Oct 21 1983 | HIRTLE, MICHAEL O | TYCO INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004188 | /0343 | |
| Oct 25 1983 | Tyco Industries, Inc. | (assignment on the face of the patent) | / | |||
| Jul 31 1991 | TYCO INDUSTRIES, INC | BANK OF TOKYO TRUST COMPANY, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 005853 | /0063 | |
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