USD341992SExpiredUtility

Coffee filter device

78
Assignee: MAXS AGPriority: Jan 30, 1992Filed: Jan 30, 1992Granted: Dec 7, 1993
Est. expiryJan 30, 2012(expired)· nominal 20-yr term from priority
Inventors:Ruedi Gasser
78
PatentIndex Score
21
Cited by
8
References
1
Claims

Claims

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

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