Is this a real patent?

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

An unframed print on 200 g/m² matte paper, printed in Europe. Dispatched in 2–4 working days, followed by transit. Shipping is included to Spain, Portugal, France, Germany, Italy, Netherlands, Belgium, Austria and Ireland. Tracking by email.

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PD-70 · US 2,612,994

Classifying apparatus and method

Original patent print · 1952

Woodland and Silver's 1952 bullseye barcode — sketched in beach sand, now scanned five billion times a day.

200 g/m² matte paper · Unframed

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Classifying apparatus and method patent drawing, 1952, archive paper finish

US 2,612,994Classifying apparatus and method1952

Inventor: Norman J. Woodland & Bernard Silver
Patented: October 7, 1952

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PD-70 · US 2,612,994 · Filed October 20, 1949 ·

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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?: An unframed print on 200 g/m² matte paper, printed in Europe. Dispatched in 2–4 working days, followed by transit. Shipping is included to Spain, Portugal, France, Germany, Italy, Netherlands, Belgium, Austria and Ireland. 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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Classifying apparatus and method

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