Title:
A LADDER AND A LADDER TREAD
Document Type and Number:
WIPO Patent Application WO/2009/003393
Kind Code:
A1
Abstract:
A ladder includes legs (10, 20) and a tread (50). The ladder tread (50) is mounted
between two legs (10, 20) and includes a plastic step (52) and a metal support bar
(51). The plastic step (52) is supported and connected by the metal support bar
(51).
Inventors:
LENG, Luhao (No.139 West Fanghu Road, Huli District, Xiamen Fujian 9, 361009, CN)
Application Number:
CN2008/071431
Publication Date:
January 08, 2009
Filing Date:
June 25, 2008
Export Citation:
Assignee:
LENG, Luhao (No.139 West Fanghu Road, Huli District, Xiamen Fujian 9, 361009, CN)
International Classes:
E06C7/08; E06C1/08; E06C7/00; E06C1/00
Attorney, Agent or Firm:
SHOUCHUANG JUNHE PATENT AGENT CO., LTD. XIAMEN (5F Labour Force Market Building, No.191 Changqing Road Siming Distric, Xiamen Fujian 2, 361012, CN)
Previous Patent: BANDWIDTH REQUESTING METHOD AND RELAY STATION
Next Patent: METHOD FOR STUDYING MAC ADDRESS AND NETWORK ELEMENT APPARATUS
Next Patent: METHOD FOR STUDYING MAC ADDRESS AND NETWORK ELEMENT APPARATUS