USD253715SExpiredUtility

Water filter

71
Individually held — no corporate assignee on recordPriority: Jul 22, 1977Filed: Jul 22, 1977Granted: Dec 18, 1979
Est. expiryJul 22, 1997(expired)· nominal 20-yr term from priority
Inventors:Philip L. Emery
71
PatentIndex Score
13
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for water filter, as shown.

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