Combined smoke gasket and intumescent expanding seal device for swinging doors

Description

FIG. 1 is a front perspective view, viewed from above, of a combined smoke gasket and intumescent expanding seal device for swinging doors, showing my new design;

FIG. 2 is a rear perspective view thereof, viewed from above; and

FIG. 3 is a horizontal sectional view thereof, taken along lines 3--3 of FIG. 1, the broken line showing of part of a door, door jamb and stop is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3964214 June 22, 1976 Wendt
4045930 September 6, 1977 Dixon
4144688 March 20, 1979 Dixon
4307543 December 29, 1981 Schulthess
4376354 March 15, 1983 Passovoy
4488387 December 18, 1984 Foti
Patent History
Patent number: D293935
Type: Grant
Filed: Feb 11, 1985
Date of Patent: Jan 26, 1988
Inventor: George A. Allen, Jr. (Richmond, VA)
Primary Examiner: A. Hugo Word
Application Number: 6/701,071
Classifications