Staircase

- Confer Plastics Inc.
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Description

FIG. 1 is a perspective view of a staircase incorporating my design and arranged back-to-back;

FIG. 2 is a perspective view of the staircase;

FIG. 3 is a side elevation view thereof, the opposite side being identical thereto;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines in the drawings are for illustrative purposes only and are not part of the claimed design.

Referenced Cited
U.S. Patent Documents
D290044 May 26, 1987 Daly
1113368 October 1914 Nesdale
5369921 December 6, 1994 Glen
Patent History
Patent number: D399975
Type: Grant
Filed: Jul 17, 1997
Date of Patent: Oct 20, 1998
Assignee: Confer Plastics Inc. (North Tonawanda, NY)
Inventor: Raymond C. Confer (Lockport, NY)
Primary Examiner: Doris Clark
Law Firm: Hodgson, Russ, Andrews, Woods & Goodyear
Application Number: 0/73,277
Classifications
Current U.S. Class: Stair, Ladder, Scaffold, Or Similar Support (D25/62); Stepped (12) (D25/63)
International Classification: 2504;