USD329684SExpiredUtility
Leaching chamber
Individually held — no corporate assignee on recordPriority: Jun 23, 1989Filed: Jun 23, 1989Granted: Sep 22, 1992
Est. expiryJun 23, 2009(expired)· nominal 20-yr term from priority
Inventors:Terrance H. Gray
88
PatentIndex Score
31
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a leaching chamber, as shown and described.
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