USD338474SExpiredUtility

Porcelain sander

65
Individually held — no corporate assignee on recordPriority: Apr 6, 1992Filed: Apr 6, 1992Granted: Aug 17, 1993
Est. expiryApr 6, 2012(expired)· nominal 20-yr term from priority
Inventors:Donald Christensen
65
PatentIndex Score
16
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a porcelain sander, as shown.

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