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Patent Dept.
Toy Building Brick patent drawing, 1961
US 3,005,282Toy Building Brick1961

PD-79 · US 3,005,282

Toy Building Brick

The stud-and-tube coupling, figures 1 through 6. Instantly recognizable to three generations.

Inventor
G. K. Christiansen
Patented
October 24, 1961

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Total29 €
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PD-79 · US 3,005,282 · Filed July 28, 1958 · Billund, Denmark

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Common questions

Is this a real patent?
Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.
How is it shipped?
Printed in Europe on 200 g/m² matte paper. Small sizes ship flat, 50 × 70 ships rolled in a tube. Tracking by email.
What if it arrives damaged?
Send a photo within 7 days and we reprint and reship it free.

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