Patent
   D673299
Priority
May 04 2011
Filed
May 04 2011
Issued
Dec 25 2012
Expiry
Dec 25 2026
Assg.orig
Entity
unknown
6
8
n/a
The ornamental design for a half-step staircase structure, as shown and described.

FIG. 1 is a three quarter front, top, left perspective view of a half-step staircase structure showing my new design.

FIG. 2 is a front elevational view thereof, taken in the direction of arrow 2 in FIG. 6;

FIG. 3 is a left side view thereof taken in the direction of arrow 3 in FIG. 6;

FIG. 4 is a right side view taken in the direction of arrow 4 in FIG. 6;

FIG. 5 is a top view taken in the direction of arrow 5 in FIG. 6; and,

FIG. 6 is a view identical to FIG. 1 with directional arrows included.

It is to be understood that bracket in all figure indicates that the precise staircase structure is not claimed.

Balducki, John R.

Patent Priority Assignee Title
10876296, Dec 29 2017 Method of assembly of modular stair assistance device for pets
11406083, Mar 20 2018 Modular pet step sections for staircase
11946258, Jul 12 2023 Adjustable step system
D748286, Apr 30 2014 NEUEHOUSE INC Steps
D954999, Jun 04 2020 Vandenberg Brothers, Inc. Erosion barrier
D962681, Oct 01 2020 Display riser stand
Patent Priority Assignee Title
2044260,
2206862,
5355904, Oct 04 1993 Stair climbing aid
7686138, Apr 19 2007 Free standing step with user customizable height and flat expanding deck
20030024177,
D287283, Sep 21 1983 Portable half-step stairway unit
D481467, Feb 10 2003 Transparent staircase
D566298, Feb 16 2007 MOD-U-CON LLC Stackable precast concrete stairwell unit
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