Air cleaner

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Information

Patent Grant
D283621

References
Source

Patent Number
D283,621
Date Filed
Thursday, September 30, 1982
41 years ago
Date Issued
Tuesday, April 29, 1986
38 years ago

Inventors
Original Assignees
- Donaldson Company, Inc.
Examiners
- Burke; Wallace R.
- Wilder; Lynn
Agents
- Merchant, Gould, Smith, Edell, Welter & Schmidt

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 5
- 055 323
- 055 332
- 055 336
- 055 344
- 055 418
- 181 229
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an air cleaner, substantially as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D165332	Heyer et al.	Dec 1951
D225184	Spies	Nov 1972
2083649	Heglar	Jun 1937
2626009	Sebok et al.	Jan 1953
2963111	Rohrbacher	Dec 1960
3339347	Otto, Jr.	Sep 1967
3672130	Sullivan et al.	Jun 1972