Staircase

- Apple
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Description

FIG. 1 is a top front perspective view of a staircase showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The oblique lines in the Figures show transparency and not surface ornamentation.

Claims

The ornamental design for a staircase, as shown and described.

Referenced Cited
U.S. Patent Documents
3290839 December 1966 Theisen
3331467 July 1967 Blum et al.
D478999 August 26, 2003 Jobs et al.
D481467 October 28, 2003 Brice
7165362 January 23, 2007 Jobs et al.
Other references
  • Kourakis, I., et al., “Design of a Glass Stair,” 2010 Structures Congress, pp. 2650-2659, American Society of Civil Engineers, published May 2010, 10 pages.
Patent History
Patent number: D695913
Type: Grant
Filed: Apr 25, 2013
Date of Patent: Dec 17, 2013
Assignee: Apple Inc. (Cupertino, CA)
Inventors: Karl Backus (Emeryville, CA), Peter Bohlin (Waverly, PA), George Bradley (San Francisco, CA), Robert Bridger (Woodside, CA), Benjamin L. Fay (Palo Alto, CA), Ronald Bruce Johnson (Atherton, CA), James O'Callaghan (Winchester)
Primary Examiner: Doris Clark
Application Number: 29/453,157
Classifications
Current U.S. Class: Stepped (12) (D25/63)