Title:
ATHLETIC FIELD FOR BALL
Document Type and Number:
WIPO Patent Application WO/2013/143411
Kind Code:
A1
Abstract:
An athletic field for a ball is rectangular, and is provided with a net or thread erected in the middle, and the net or thread is 2.88 m high at most. The field has closed areas. A first level field has the length of 17.5-38 m and the width of 8.5-17.5 m, and a second level field has the length of 37-45 m and the width of 17.5-22.5 m. The field is provided with start blocks, and the start blocks may have a wood material structure or metal material structure.
Inventors:
WU QIU (CN)
Application Number:
PCT/CN2013/072910
Publication Date:
October 03, 2013
Filing Date:
March 20, 2013
Export Citation:
Assignee:
WU QIU (CN)
International Classes:
A63B71/02; A63B71/04
Foreign References:
| CN101357265A | 2009-02-04 | |||
| US5967519A | 1999-10-19 | |||
| CN1043878A | 1990-07-18 | |||
| CN201410275Y | 2010-02-24 | |||
| CA2089491A1 | 1992-12-22 |
Attorney, Agent or Firm:
GUANGZHOU NANFENG PATENT AGENCY LIMITED (CN)
广州市南锋专利事务所有限公司 (CN)
广州市南锋专利事务所有限公司 (CN)
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