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 2,708,656Neutronic reactor1955

PD-72 · US 2,708,656

Name: Neutronic reactor Patent Print (1955)
Brand: PATENT DEPT.
SKU: PD-72
Availability: InStock

Fermi and Szilard's nuclear reactor, filed in secret in 1944 and kept classified until 1955. The atomic age as a diagram.

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PD-72 · US 2,708,656 · Filed December 19, 1944 ·

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.