USD325070SExpiredUtility

Filter sheet

96
Assignee: KOPF HENRY BPriority: Jun 9, 1989Filed: Jun 9, 1989Granted: Mar 31, 1992
Est. expiryJun 9, 2009(expired)· nominal 20-yr term from priority
Inventors:Henry B. Kopf
96
PatentIndex Score
53
Cited by
37
References
1
Claims

Claims

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

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