IP Library Granted Patent US 7,854,688
Granted Patent B2
US 7,854,688 · App. 10/695,705 · Granted Dec 21, 2010

Collapsible play structures

Assignee: Patent Category Corp.
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Quick Facts
Patent No.
US 7,854,688
App. No.
10/695,705
Granted
Dec 21, 2010
Kind
B2
Abstract

A collapsible play structure has a coiled wire supporting a covering which is attached to the wire to define an interior tunnel-like passageway, and at least one opening provided in the covering. A basketball goal assembly can be attached to a first end of the coiled wire and covering. In addition, openings can be provided in the covering.

Claims (7)

1. A collapsible structure comprising:

a coiled wire supporting a covering which is attached to the wire to define a cylindrical passageway, the coiled wire and the covering having a first end and a second end;

a wall provided at the first end, with a top opening provided in the wall;

a helical track provided about the exterior of the covering and

a tube connecting the helical track with the top opening.

2. The structure of claim 1 , wherein the helical track comprises a piece of fabric that is bordered by a flexible wire.

3. The structure of claim 1 , wherein the helical track extends from the first end to the second end.

Assignments (2)
SECURITY AGREEMENT Recorded Oct 16, 2013
From: PATENT CATEGORY CORPORATION
To: PREFERRED BANK
Reel/Frame 031421/0039 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 29, 2003
From: ZHENG, YU
To: PATENT CATEGORY CORP.
Reel/Frame 014651/0869 →
Continuity (1)
Related Publication 20050096185A1 · May 5, 2005