USD420094SExpiredUtility

Block filter

46
Assignee: AMWAY CORPPriority: Jul 31, 1998Filed: Jul 31, 1998Granted: Feb 1, 2000
Est. expiryJul 31, 2018(expired)· nominal 20-yr term from priority
Inventors:James A. Woodard, Jr.Keith GausmannDale Aberegg
46
PatentIndex Score
5
Cited by
13
References
1
Claims

Claims

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

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