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. 05, 2005
Filed:
Sep. 07, 2001
Applicant:
Andrew Bryan Shuttleworth, Poulton-le-Fylde, GB;
Inventor:
Andrew Bryan Shuttleworth, Poulton-le-Fylde, GB;
Assignee:
Permavoid Limited, Leicester, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B09G001/00 ;
U.S. Cl.
CPC ...
Abstract
Apparatus suitable for venting and dispensing gas from an area of ground. The apparatus comprising a passage arrangement locatable in the ground extending generally horizontally and formed from a plurality of self-supporting open units. One or more columns extends downwardly from the passage, the columns being formed of a core material having an open permeable structure. The or each column has a fluid permeable exterior, and is in communication with the passage.