Title:
GROUND PINGPONG COURT, RACKET AND BALL
Document Type and Number:
WIPO Patent Application WO/2009/117957
Kind Code:
A1
Abstract:
A ground pingpong court includes a net (1) which is 0.75m high and a scoring inner field (2) which is 8m long, and 3m wide for singles and 3.4m wide for doubles. A ground pingpong racket (3) is composed of a base board (4) and a handle (5), and a high elasticity sponge layer (6) and latex skin (7) is affixed to at least one surface of the base board (4). A ground pingpong ball is hollow. The outer diameter of the ball is longer than or equal to 0.042m and shorter than or equal to 0.043m. The weight of the ball is heavier than or equal to 3g and lighter than or equal to 4g.
Inventors:
LIU TIANYANG (CN)
Application Number:
PCT/CN2009/071001
Publication Date:
October 01, 2009
Filing Date:
March 25, 2009
Export Citation:
Assignee:
LIU TIANYANG (CN)
International Classes:
A63B67/00; A63B39/00; A63B59/00; A63B59/04; A63B61/00
Foreign References:
| CN201235190Y | 2009-05-13 | |||
| CN201235181Y | 2009-05-13 | |||
| CN1187512A | 1998-07-15 | |||
| DE2533997A1 | 1977-02-17 |
Other References:
WU, L.: "THE GROUND PINGPANG OCCURS AND BEEN PURSUED", NEWTIMELYPAPER, vol. A35, 19 March 2008 (2008-03-19)
Attorney, Agent or Firm:
GUANGZHOU ZHIYOU PATENT & TRADEMARK AGENCY CO., LTD. (100 Xianlie Zhong RoadGuangzhou, Guangdong 0, CN)
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