Mask

- Hans Rudolph, Inc.
Description

FIG. 1 is a front perspective view of a mask showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged side elevational view thereof showing the relative positions of a user in phantom lines;

FIG. 4 is an enlarged second side elevational view thereof, showing a user in phantom lines;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged rear elevational view thereof;

FIG. 7 is an enlarged bottom plan view thereof; and,

FIG. 8 is a rear elevational and cross-sectional view, taken along 8--8 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D326540 May 26, 1992 Scholey
4414973 November 15, 1983 Matheson et al.
4674492 June 23, 1987 Niemeyer
4765325 August 23, 1988 Crutchfield
4846166 July 11, 1989 Willeke
4960121 October 2, 1990 Nelson et al.
5038776 August 13, 1991 Harrison et al.
5069205 December 3, 1991 Urso
Other references
  • Hans Rudolph, Inc. Product Sheet; "General Product Info" . . . Model #7200; Dec. 1984. David C. Zavala; Nutritional Assessment . . . Training Handbook; copyright 1989, pp. 55-56.
Patent History
Patent number: D334633
Type: Grant
Filed: Mar 11, 1991
Date of Patent: Apr 6, 1993
Assignee: Hans Rudolph, Inc. (Kansas City, MO)
Inventor: Kevin A. Rudolph (Kansas City, MO)
Primary Examiner: Kay H. Chin
Law Firm: Litman, McMahon & Brown
Application Number: 7/667,066
Classifications
Current U.S. Class: D29/7; D29/8