Is this a real patent?

Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.

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.

US 2,642,679Ice rink resurfacing machine1953

PD-71 · US 2,642,679

Name: Ice rink resurfacing machine Patent Print (1953)
Brand: PATENT DEPT.
SKU: PD-71
Availability: InStock

Frank Zamboni's ice resurfacer, 1953 — the most beloved machine in sports, drawn bolt by bolt.

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Total29 €

Shipping included (EU)

PD-71 · US 2,642,679 · Filed May 16, 1949 ·

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.