Liquid ring pump

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Information

Patent Grant
D327273

References
Source

Patent Number
D327,273
Date Filed
Monday, March 12, 1990
34 years ago
Date Issued
Tuesday, June 23, 1992
32 years ago

Inventors
- Richard G. Cadotte
- Carl G. Dudeck
Original Assignees
- The Nash Engineering Company
Examiners
- Word; A. Hugo
- Seifert; R.
Agents
- Jackson; Robert R.

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 7-9
- D13 114
- 417 360
- 417 410
- 417 4233
- 417 83
- 417 68
- 417 69
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a liquid ring pump, as shown.

US Referenced Citations (5)

Number	Name	Date	Kind
D245501	Fitch	Aug 1977
D283224	Lametto et al.	Apr 1986
D285447	Dudeck et al.	Sep 1986
4747752	Somarakis	May 1988
4755107	Trimborn	Jul 1988