Dust cassette assembly

Info

Patent number: D441440
Type: Grant
Filed: Apr 28, 2000
Date of Patent: May 1, 2001
Assignee: Mine Safety Appliances Company (Pittsburgh, PA)
Inventor: Richard J. Hartman (Renfrew, PA)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: James G. Uber
Application Number: 29/122,513

Description

Description

FIG. 1 is a perspective view of the outlet side of the dust cassette assembly

FIG. 2 is a side elevational view of the dust cassette assembly. The opposite side elevational view is a mirror image thereof

FIG. 3 is a front elevational view of the dust cassette assembly. The rear elevational view is a mirror image thereof

FIG. 4 is a top plan view of the outlet side of the dust cassette assembly; and,

FIG. 5 is a bottom plan view of the inlet side of the dust cassette assembly.

The mesh pattern shown in FIGS. 1 and 4 is understood to represent screening and extends uniformly throughout the areas represented.

Claims

I claim the ornamental design for a dust cassette assembly, as shown and described.