Valve

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Information

Patent Grant
D328945

References
Source

Patent Number
D328,945
Date Filed
Friday, December 8, 1989
35 years ago
Date Issued
Tuesday, August 25, 1992
32 years ago

Inventors
- Nils I. Aarthun
- Peter Lofgren
Examiners
- Largen; James R.
Agents
- Wegner, Cantor, Mueller & Player

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 233-237
- D23 244-249
- 137 556
- 251 635
- 251 331
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a valve, as shown and described.

US Referenced Citations (10)

Number	Name	Date	Kind
D96405	Murphy	Jul 1935
D152809	MacCauley	Feb 1949
D154427	Peterson	Jul 1949
D168641	St. Clair et al.	Jan 1953
D186489	Frye	Oct 1959
D234200	Buechler	Jan 1975
D236266	Holben	Aug 1975
3838707	Wachowitz, Jr.	Oct 1974
4421295	Parkison	Dec 1983
4819691	Lofgren et al.	Apr 1989

Continuations (1)

	Number	Date	Country
Parent	921201	Oct 1986