Motor drive unit for a window shade

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Description

FIG. 1 is a perspective view of the ornamental design for a motor drive unit for a window shade;

FIG. 2 is a bottom plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 3 is a top plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 4 is a rear plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 5 is a front plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 6 is a left side plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 7 is a right side plan view of the ornamental design for a motor drive unit for a window shade;

FIG. 8 is a perspective view of a second embodiment of an ornamental design for a motor drive unit for a window shade;

FIG. 9 is a second perspective view of the second embodiment of the ornamental design of FIG. 8 from a different angle;

FIG. 10 is a bottom plan view of the second embodiment of the ornamental design;

FIG. 11 is a top plan view of the second embodiment of the ornamental design;

FIG. 12 is a rear plan view of the second embodiment of the ornamental design;

FIG. 13 is a front plan view of the second embodiment of the ornamental design;

FIG. 14 is a left side plan view of the second embodiment of the ornamental design; and,

FIG. 15 is a right side plan view of the second embodiment of the ornamental design.

Referenced Cited
U.S. Patent Documents
D326083 May 12, 1992 Miyamoto et al.
D387598 December 16, 1997 Liu
5249616 October 5, 1993 Yen
Patent History
Patent number: D396448
Type: Grant
Filed: Dec 27, 1996
Date of Patent: Jul 28, 1998
Assignee: Lutron Electronics Co. Inc. (Coopersburg, PA)
Inventors: Gary E. Will (Macungie, PA), Mark A. Cieri (Allentown, PA), Charles J. Digney, Jr. (Holland, PA), Noel Mayo (Philadelphia, PA)
Primary Examiner: Brian N. Vinson
Law Firm: Ostrolenk, Faber, Gerb & Soffen, LLP
Application Number: 0/64,323
Classifications
Current U.S. Class: Generator, Motor Or Casing Therefor (D13/112)
International Classification: 1302;