Casement window operator

Details Casement window operator Casement window operator

2001-12-28

2003-07-08

Bullock, B. J. (Department: 2912)

Bleaching and dyeing; fluid treatment and chemical modification

Measuring, testing, or inspecting dye process

Design Patent

active

D0476882

CLAIM:
The ornamental design for a casement window operator, as shown and described.

REFERENCES:
patent: D160682 (1950-10-01), Zarbock
patent: D360357 (1995-07-01), Peterson et al.
patent: D361490 (1995-08-01), Vetter
patent: 5531138 (1996-07-01), Vetter
patent: D379917 (1997-06-01), Vetter et al.
patent: 5740632 (1998-04-01), Peterson et al.
patent: D408274 (1999-04-01), Vetter et al.
patent: D408729 (1999-04-01), Virkler et al.
patent: 6164156 (2000-12-01), Purcell
patent: D442464 (2001-05-01), Richardson
patent: D457422 (2002-05-01), Gledhill et al.

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