USD299171SExpiredUtility

Combined smoke gasket and intumescent expanding seal device for sliding doors

Assignee: ALLEN JR GEORGE APriority: Mar 26, 1986Filed: Mar 26, 1986Granted: Dec 27, 1988

Est. expiryMar 26, 2006(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a combined smoke gasket and intumescent expanding seal device for sliding doors, as shown.

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