Outer surface of a cover for a casement window operator

USD452999S1 · kind S1 · design

Assignee

• Pella Corporation · US

Inventors

• David J. Vande Steeg · Pella, US
• Andrew W. Middleswart · Indianola, US
• Marlo G. Van Klompenburg · Owatonna, US
• Bruce A. Baier · Pella, US
• Frank R. Wilgus · Powell, US
• Gregory J. Vetter · Owatonna, US

Key dates

• Filing date: Dec 6, 2000
• Grant date: Jan 22, 2002
• Expiry date: Jan 22, 2016

Classification

• Technology area (CPC —): General