USD421161SExpiredUtility

Self-cleaning litter box

58
Individually held — no corporate assignee on recordPriority: May 21, 1998Filed: May 21, 1998Granted: Feb 22, 2000
Est. expiryMay 21, 2018(expired)· nominal 20-yr term from priority
Inventors:Jonathan R. Rogers
58
PatentIndex Score
11
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a self-cleaning litter box, as shown.

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