The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2012
Filed:
Dec. 20, 2007
John Sydney Cottier, Oatley, AU;
December Rose Cowen, Yucaipa, CA (US);
Remi Dunoyer, Randwick, AU;
Steven Duselis, Baulkham Hills, AU;
James Albert Gleeson, North Curl Curl, AU;
Amitabha Kumar, Claremont, CA (US);
John Sydney Cottier, Oatley, AU;
December Rose Cowen, Yucaipa, CA (US);
Remi Dunoyer, Randwick, AU;
Steven Duselis, Baulkham Hills, AU;
James Albert Gleeson, North Curl Curl, AU;
Amitabha Kumar, Claremont, CA (US);
James Hardie Technology Limited, Dublin, IE;
Abstract
A structural fiber cement sheet containing cementitious matrix and reinforcing cellulose fibers distributed throughout the matrix having a dry density less than 1.25 g/cm, a thickness less than 0.7500 in, and able to withstand uniform loads of 200 psf or greater according to test method of Section 6.4.2.4 of PS2 and with a deflection of less than 0.067 inches at 60 psf when spaced on a span of 24 inches or less on center.