USD293935SExpiredUtility

Combined smoke gasket and intumescent expanding seal device for swinging doors

66
Assignee: ALLEN JR GEORGE APriority: Feb 11, 1985Filed: Feb 11, 1985Granted: Jan 26, 1988
Est. expiryFeb 11, 2005(expired)· nominal 20-yr term from priority
Inventors:George Allen
66
PatentIndex Score
12
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined smoke gasket and intumescent expanding seal device for swinging doors, substantially as shown and described.

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