Battery operated vacuum cleaner

Description

FIG. 1 is a rear elevational view of a battery operated vacuum cleaner, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a top, front, left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D173441 November 1954 Lambert
D212710 November 1968 Mango et al.
D261267 October 13, 1981 Hug
D270298 August 23, 1983 Ayukawa et al.
Patent History
Patent number: D316766
Type: Grant
Filed: Jul 27, 1988
Date of Patent: May 7, 1991
Inventor: Cheung Chi Ho (Ferrt Point, Kowloon)
Primary Examiner: James R. Largen
Assistant Examiner: Doris V. Coles
Law Firm: Armstrong, Nikaido, Marmelstein, Kubovcik, & Murray
Application Number: 7/224,840
Classifications
Current U.S. Class: Vacuum (D32/21)