USD311577SExpiredUtility

Duct access and sensor support door

Assignee: METAL IND INCPriority: May 6, 1988Filed: May 6, 1988Granted: Oct 23, 1990

Est. expiryMay 6, 2008(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a duct access and sensor support door, as shown and described.

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