Nozzle guard

Latest Skyscraper Cleaning Services Inc. Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view;

FIG. 2 is a right side elevation view, the left side elevation view being a mirror image thereof;

FIG. 3 is a front elevation view, the rear elevation view being a mirror image thereof;

FIG. 4 is a bottom elevation view; and,

FIG. 5 is a top elevation view.

Referenced Cited
U.S. Patent Documents
2535766 December 1950 Wahlin
3514040 May 1970 Carson
5632339 May 27, 1997 Fenske et al.
Patent History
Patent number: D399920
Type: Grant
Filed: Sep 19, 1996
Date of Patent: Oct 20, 1998
Assignee: Skyscraper Cleaning Services Inc. (Alberta)
Inventor: Douglas Edward Bate (Alberta)
Primary Examiner: Freda Nunn
Assistant Examiner: Robin V. Taylor
Attorney: Anthony R. Lambert
Application Number: 0/72,141
Classifications
Current U.S. Class: Cover Or Guard (D23/227)
International Classification: 2301;