Vacuum cleaner air flow enhancer

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Description

FIG. 1 is a perspective view of a vacuum cleaner air flow enhancer from a lower left angle, showing my new design;

FIG. 2 is the top plan view thereof;

FIG. 3 is the bottom plan view thereof;

FIG. 4 is the left plan view thereof;

FIG. 5 is the rear plan view thereof;

FIG. 6 is the front plan view thereof; and,

FIG. 7 is a perspective view of a vacuum cleaner air flow enhancer from a lower left angle.

The broken line representations, indicating the flow of air, in FIG. 7 are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for vacuum cleaner air flow enhancer, as shown and described.

Referenced Cited
U.S. Patent Documents
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3524211 August 1970 Wolf
D233213 October 1974 Anderson
4072483 February 7, 1978 Doyle, Jr.
D264011 April 20, 1982 Genoa
4800614 January 31, 1989 Kopco et al.
4831685 May 23, 1989 Bosyj et al.
D314848 February 19, 1991 Foldes
5297311 March 29, 1994 Puri
D379693 June 3, 1997 Campbell et al.
D400323 October 27, 1998 Scanlon et al.
5970575 October 26, 1999 Lee
D423354 April 25, 2000 Lin
D437466 February 6, 2001 Song
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6398834 June 4, 2002 Oh
Patent History
Patent number: D468497
Type: Grant
Filed: Jan 17, 2001
Date of Patent: Jan 7, 2003
Inventor: George H. Lovely, Jr. (Auburn, MA)
Primary Examiner: Ruth McInroy
Attorney, Agent or Law Firm: James F. Baird, Esq.
Application Number: 29/135,687
Classifications
Current U.S. Class: For Vacuum Cleaner (D32/31)
International Classification: 1505;