USD444218SExpiredUtility

Portion of a filter support

48
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Mar 2, 1999Filed: Mar 2, 1999Granted: Jun 26, 2001
Est. expiryMar 2, 2019(expired)· nominal 20-yr term from priority
Inventors:William A. MittelstadtDavid M. Castiglione
48
PatentIndex Score
6
Cited by
5
References
1
Claims

Claims

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

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