Heat exchanger

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Information

Patent Grant
D280544

References
Source

Patent Number
D280,544
Date Filed
Thursday, July 29, 1982
42 years ago
Date Issued
Tuesday, September 10, 1985
39 years ago

Inventors
- Masafumi Fukumoto
Original Assignees
- Nisshin Chemical Industry Co., Ltd.
Examiners
- Kemper; Catherine E.
Agents
- Katona; Gabriel P.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 136
- 165 162
- 165 163
- 165 157
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a heat exchanger, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
3117623	Griebsch	Jan 1964
3496997	Weber	Feb 1970
3742567	Kaelin	Jul 1973
4030540	Roma	Jun 1977
4167211	Haller	Sep 1979
4190104	Frei	Feb 1980
4271900	Reitz	Jun 1981
4343626	Reise et al.	Aug 1982

Foreign Referenced Citations (5)

Number	Date	Country
2100485	Jul 1971	DEX
2734060	Feb 1979	DEX
3016781	Nov 1981	DEX
122457	Sep 1979	JPX
2075172	Nov 1981	GBX