USD281717SExpiredUtility
Heat exchanger with gas venting means
Est. expiryFeb 24, 2002(expired)· nominal 20-yr term from priority
33
PatentIndex Score
2
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a heat exchanger with gas venting means, as shown and described.
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