USD252180SExpiredUtility
Pizza crust perforator
Individually held — no corporate assignee on recordPriority: Mar 31, 1977Filed: Mar 31, 1977Granted: Jun 26, 1979
Est. expiryMar 31, 1997(expired)· nominal 20-yr term from priority
Inventors:Joseph M. Zuber
74
PatentIndex Score
22
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a pizza crust perforator, as shown.
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