Toy building brick
United States Patent 3005282
US Patent References:
/0556271.html
- - 0556271

/0879455.html
- - 0879455

/1191884.html
- - 1191884

Interlocking hollow building block
- - 2703487


Inventors:
Kirk, Christiansen Godtfred
Publication Date:
10/24/1961
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Assignee:
INTERLEGO AG
Primary Class:
446/128
Other Classes:
52/592.300
International Classes:
A63H33/08; A63H33/04
Foreign References:
GB191506610A
AU128398A
FR940270A
BE504134A
GB676469A