USD351013SExpiredUtility

Mechanical inspection and sealing plug for a monitoring well

Assignee: CHERNE IND INCORPORATEDPriority: Jan 15, 1992Filed: Jan 15, 1992Granted: Sep 27, 1994

Est. expiryJan 15, 2012(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for the mechanical inspection and sealing plug for a monitoring well, as shown and described.

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