Carriage for drop-down mask assembly

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Description

FIG. 1 is a perspective view of a carriage for drop-down mask assembly showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing in FIGS. 1 through 6 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3792702 February 1974 Delest
4934361 June 19, 1990 Michel et al.
5062421 November 5, 1991 Burns et al.
5181507 January 26, 1993 Michel et al.
5237986 August 24, 1993 Seppala et al.
5464010 November 7, 1995 Byram
5592937 January 14, 1997 Freud
Foreign Patent Documents
0085746 August 1983 EPX
195 16 859 A1 November 1995 DEX
Patent History
Patent number: D421801
Type: Grant
Filed: Oct 3, 1997
Date of Patent: Mar 21, 2000
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Gerald M. Brostrom (Burnsville, MN), David C. Byram (River Falls, WI)
Primary Examiner: Stella Reid
Assistant Examiner: I Simmons
Attorney: James A. Rogers
Application Number: 0/77,630
Classifications
Current U.S. Class: D24/1101
International Classification: 2902;