USD351899SExpiredUtility

Heat trap

44
Individually held — no corporate assignee on recordPriority: Mar 1, 1993Filed: Mar 1, 1993Granted: Oct 25, 1994
Est. expiryMar 1, 2013(expired)· nominal 20-yr term from priority
Inventors:George M. Isber
44
PatentIndex Score
10
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heat trap, as shown and described.

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