USD251675SExpiredUtility
Chlorinator
Individually held — no corporate assignee on recordPriority: Aug 5, 1977Filed: Aug 5, 1977Granted: Apr 24, 1979
Est. expiryAug 5, 1997(expired)· nominal 20-yr term from priority
Inventors:David W. Kratz
61
PatentIndex Score
7
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a chlorinator, as shown.
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