Three-way staircase therapeutic device

- Hausmann Industries, Inc.

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Description

FIG. 1 is a top, front and left-side perspective view of a three-way staircase therapeutic device, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof; and

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D199972 January 1965 Struben
D214264 May 1969 Holbrook
D235095 May 1975 Struben
D270286 August 23, 1983 Struben et al.
4691484 September 8, 1987 Wilson
5833576 November 10, 1998 Henmi
Patent History
Patent number: D428629
Type: Grant
Filed: Sep 14, 1999
Date of Patent: Jul 25, 2000
Assignee: Hausmann Industries, Inc. (Northvale, NJ)
Inventor: Charles Cohen (Fair Lawn, NJ)
Primary Examiner: Philip S. Hyder
Attorney: Jay H. Maioli
Application Number: 0/110,822
Classifications
Current U.S. Class: Platform (e.g., Step Type) (D21/671); Platform, Frame, Or Support (D21/686); Stepped (12) (D25/63)
International Classification: 2102;