Rotary impeller

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Description

FIG. 1 is a perspective view of the rotary impeller showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a rotary impeller, as shown and described.

Referenced Cited
U.S. Patent Documents
4930981 June 5, 1990 Walker
D366935 February 6, 1996 Arthun et al.
6334705 January 1, 2002 Weetman
Patent History
Patent number: D468009
Type: Grant
Filed: Mar 28, 2002
Date of Patent: Dec 31, 2002
Inventors: Lee P. Hoenderkamp (Research Triangle Park, NC), Steven George Chapman (Research Triangle Park, NC), Victor Aldrich (Research Triangle Park, NC)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firms: Robert J. Smith, Charles E. Dadswell
Application Number: 29/158,034
Classifications
Current U.S. Class: Fan Element (D23/411); With Exposed Blade (D23/379)
International Classification: 2304;