USD807498SActiveUtility
Automatic speaking valve
Est. expiryApr 13, 2035(~8.7 yrs left)· nominal 20-yr term from priority
Inventors:Jan-Ove Persson
32
PatentIndex Score
0
Cited by
30
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for an automatic speaking valve, as shown and described.Join the waitlist — get patent alerts
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