Air cleaner

USD450376S · kind S · design

Assignee

• Donaldson Company, Inc. · US

Inventors

• Steven Scott Gieseke · Richfield, US
• Peter J. Murray · Omaha, US
• Gary J. Rocklitz · Burnsville, US
• Junhui Liu · Changzhou City, CN

Key dates

• Filing date: Jul 10, 2000
• Grant date: Nov 13, 2001
• Expiry date: Nov 13, 2015

Classification

• Technology area (CPC —): General