USD517206SExpiredUtility
Underwater breathing device
Est. expiryJun 4, 2024(expired)· nominal 20-yr term from priority
Inventors:Paul Joseph Faerstein
14
PatentIndex Score
1
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a underwater breathing device, as shown and described.Join the waitlist — get patent alerts
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