USD247508SExpiredUtility

Combined ventilator frame and cover

Assignee: PRODUCTION RES INCPriority: Nov 8, 1976Filed: Nov 8, 1976Granted: Mar 14, 1978

Est. expiryNov 8, 1996(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a combined ventilator frame and cover, as shown and described.

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