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Toy building sets and building blocks
US 3,034,254 A
Filed
: 03/02/1959
Issued
: 05/15/1962
Est. Priority Date
: 03/25/1958
Status: Expired due to Term
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Current Assignee
Kirk Christiansen Godtfred
Original Assignee
Kirk Christiansen Godtfred
Inventors
KIRK CHRISTIANSEN GODTFRED
Application Number
US03/796,374
Time in Patent Office
1,170 Days
Field of Search
US Class Current
446/128
CPC Class Codes
A63H 33/086
with primary projections fi...
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