USD478774SExpiredUtility

Food preservation filter

64
Assignee: TILIA INT INCPriority: Jul 31, 2002Filed: Jul 31, 2002Granted: Aug 26, 2003
Est. expiryJul 31, 2022(expired)· nominal 20-yr term from priority
Inventors:Robert A. WilkRoss Heil
64
PatentIndex Score
14
Cited by
9
References
1
Claims

Claims

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

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