USD306482SExpiredUtility

Manhole cover

Assignee: UNIVERSAL VALVE CO INCPriority: May 11, 1987Filed: May 11, 1987Granted: Mar 6, 1990

Est. expiryMay 11, 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 manhole cover, as shown and described.

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