Grease filter

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Information

Patent Grant
D336678

References
Source

Patent Number
D336,678
Date Filed
Wednesday, April 17, 1991
33 years ago
Date Issued
Tuesday, June 22, 1993
31 years ago

Inventors
- Burl M Finkelstein
- Eino M. Lehto
Original Assignees
- Kason Industries, Inc.
Examiners
- Burke; Wallace R.
- Tung; M. H.
Agents
- Kennedy & Kennedy

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 207-210
- 210 282
- 210 443-449
- 210 498
- 210 231
- D10 109
- D10 111
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a grease filter, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D307462	Merkouris	Apr 1990
786203	Gailey	Mar 1905
3812972	Rosenblum	May 1974
4059528	Grosshandler	Nov 1977
4268391	Paquette	May 1981
4537680	Barth	Aug 1985

Non-Patent Literature Citations (2)

Entry
1 Sheet Photographs--Flame Guard 2-Piece Type (Showing Lanced and Fitted Baffles).
1 Sheet Photographs-Conventional Assembly (Baffled Type filter).

Continuation in Parts (2)

	Number	Date	Country
Parent	597748	Oct 1990
Parent	556795	Jul 1990