Intumescent seal

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Information

Patent Grant
D418234

References
Source

Patent Number
D418,234
Date Filed
Wednesday, September 9, 1998
26 years ago
Date Issued
Tuesday, December 28, 1999
25 years ago

Inventors
- Charles F. Smith Jr.
Original Assignees
- NATIONAL GUARD PRODUCTS, INC.
Examiners
- Clark; Doris
Agents
- King and Schickli

US Classifications
- D25 - Building units and construction elements
Field of Search
- US
- 049 4771
- 049 504
- 049 4751
- 049 472
- 049 473
- 049 474
- D25 119
- D25 199
- D25 164
- 052 232
International Classifications
- 2501
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design of an intumescent seal, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D279409	Allen, Jr.	Jun 1985
D293935	Allen, Jr.	Jan 1988
3955330	Wendt	May 1976
3964214	Wendt	Jun 1976
4708351	Midooka et al.	Nov 1987
4735155	Johnson	Apr 1988
4931339	Malcolm-Brown	Jun 1990
5501045	Wexler	Mar 1996