USD317646SExpiredUtility

Drain control knob

63
Assignee: PFISTER PRICE INCPriority: Jan 14, 1988Filed: Jan 14, 1988Granted: Jun 18, 1991
Est. expiryJan 14, 2008(expired)· nominal 20-yr term from priority
Inventors:Holly K. Yost
63
PatentIndex Score
9
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drain control knob, as shown and described.

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