Patent
   D420454
Priority
Sep 09 1998
Filed
Sep 09 1998
Issued
Feb 08 2000
Expiry
Feb 08 2014
Assg.orig
Entity
unknown
1
8
n/a
The ornamental design of an intumescent seal, as shown and described.

FIG. 1 is a perspective view of the intumescent seal of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The intumescent seal is broken on the ends to indicate indefinite length.

Smith, Jr., Charles F.

Patent Priority Assignee Title
11692388, Sep 09 2019 AADG, INC Vision light system for barrier systems
Patent Priority Assignee Title
3955330, Jun 25 1975 United States Gypsum Company Smoke stop for doors
3964214, Jun 25 1975 United States Gypsum Company Smoke stop
4708351, Sep 17 1984 Toyoda Gosei Co., Ltd; Toyota Jidosha Kabushiki Kaisha Sealed joint including water-absorptive, water-swelling coating at joint interface site for using leakage to repair leaks
4735155, Mar 14 1985 JOHNSON COMPANY LIMITED, THE, Fire resistant enclosures
4931339, Aug 20 1986 Dixon International Limited Intumescent seals
5501045, Aug 19 1994 Schlage Lock Company LLC Intumescent door seal
D279409, Nov 23 1982 Combined smoke gasket and intumescent expanding seal device for sliding elevator doors and the like
D293935, Feb 11 1985 Combined smoke gasket and intumescent expanding seal device for swinging doors
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 31 1998SMITH, CHARLES F , JR NATIONAL GUARD PRODUCTS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0095040651 pdf
Sep 09 1998National Guard Products, Inc.(assignment on the face of the patent)
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