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.

What if it arrives damaged?

Send a photo within 7 days and we reprint and reship it free.

PD-62 · US 2,370,990

Tumbling device

Original patent print · 1945

Nissen's trampoline, patented 1945 as a 'tumbling device' — invented to train acrobats and paratroopers alike.

200 g/m² matte paper · Unframed

29 € · Shipping included · Choose size ↓

Tumbling device patent drawing, 1945, archive paper finish

US 2,370,990Tumbling device1945

Inventor: George P. Nissen
Patented: March 6, 1945

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PD-62 · US 2,370,990 · Filed June 4, 1941 ·

Pairs well with

Full collection

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.

Read the full FAQ

Tumbling device

Pairs well with

Roller coasting structure

Ouija or Egyptian Luck-Board

Board Game Apparatus

Common questions