USD310491SExpiredUtility

Core sample tube

Assignee: MITCHELL DALEPriority: Jun 26, 1987Filed: Jun 26, 1987Granted: Sep 11, 1990

Est. expiryJun 26, 2007(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a core sample tube, as shown and described.

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