Membership
Tour
Register
Log in
Housing for an air cleaner
Follow
Information
Patent Grant
D412567
References
Source
Patent Number
D412,567
Date Filed
Friday, September 12, 1997
27 years ago
Date Issued
Tuesday, August 3, 1999
25 years ago
Inventors
Kevin Schrage
Dennis E. Ward
Jeffrey J. Ivarson
Paul COULONVAUX
Johan Dewit
Original Assignees
Donaldson Company, Inc.
Examiners
Lichtenstein; Lisa
Agents
Merchant, Gould, Smith, Edell, Welter & Schmidt, P.A.
US Classifications
D23 - Environmental heating and cooling
Field of Search
US
D23 364
055 498
055 521
055 510
096 97
International Classifications
2304
Term of Grant
14Years
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Abstract
Description
Claims
The ornamental design for a housing for an air cleaner, as shown and described.
US Referenced Citations (4)
Number
Name
Date
Kind
4491460
Tokar
Jan 1985
5545241
Vanderauwera et al.
Aug 1996
5547480
Coulonvaux
Aug 1996
5755842
Patel et al.
May 1998
Non-Patent Literature Citations (1)
Entry
Declaration of Stan Koehler with Exhibits A-E.