External sealing cap for pipes

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Information

Patent Grant
D379851

References
Source

Patent Number
D379,851
Date Filed
Friday, April 12, 1996
29 years ago
Date Issued
Tuesday, June 10, 1997
27 years ago

Inventors
- Allen D. Mathison
Original Assignees
- Cherne Industries Incorporated
Examiners
- Zarfas; Louis S.
- Watterson; Eric
Agents
- Eggink; Anthony G.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 265
- D23 266
- D23 269
- 138 96 T
- 138 96 R
- 138 89
- 220 295
- 220 293
- 220 DIG 33
International Classifications
- 0907
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an external sealing cap for pipes, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D223156	Aoroto	Mar 1972
D257057	Logsdon	Sep 1980
D281350	Heier	Nov 1985
D311056	Patterson	Oct 1990
3525366	De Frees	Aug 1970
3713463	Bywater, Jr.	Jan 1973
4139005	Dickey	Feb 1979
4269232	Witschi	May 1981

Non-Patent Literature Citations (2)

Entry
Cherne Industries Incorporated, Test-Kap, 1995, p. 1.
Jim-Cap Company, Inc., Jim Cap Thin Wall Sewer Pipe;, 1978., pp. 1,2.