PD-65 · US 2,485,039
Diving unit
Original patent print · 1949
The Cousteau-Gagnan aqualung — the demand regulator that opened the underwater world, patented 1949.
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US 2,485,039Diving unit1949
- Inventor
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Total29 €
PD-65 · US 2,485,039 · Filed March 10, 1947 ·
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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.