USD318315SExpiredUtility

Portable ultra-filter for industrial waste fluids

Assignee: SANBORN INCPriority: Oct 11, 1988Filed: Oct 11, 1988Granted: Jul 16, 1991

Est. expiryOct 11, 2008(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a portable ultra-filter for industrial waste fluids, as shown and described.

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