USD861839SActiveUtility
Heat exchanger tube
Est. expiryMay 21, 2035(~8.8 yrs left)· nominal 20-yr term from priority
Inventors:Akira Sakae
30
PatentIndex Score
0
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a heat exchanger tube, as shown and described.Join the waitlist — get patent alerts
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