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. 23, 2013
Filed:
Feb. 12, 2009
Daniel P. Cobb, Gray, ME (US);
Michael P. Stone, Falmouth, ME (US);
James C. Schluter, Franklin, OH (US);
Michael G. Katona, Gig Harbor, WA (US);
Roger L. Brockenbrough, Pittsburgh, PA (US);
Daniel P. Cobb, Gray, ME (US);
Michael P. Stone, Falmouth, ME (US);
James C. Schluter, Franklin, OH (US);
Michael G. Katona, Gig Harbor, WA (US);
Roger L. Brockenbrough, Pittsburgh, PA (US);
Contech Engineered Solutions LLC, West Chester, OH (US);
Abstract
A plastic, corrugated open bottom chamber includes features such as one or more of (i) sub-corrugation features on corrugation crests and/or corrugation valleys, (ii) stiffening fingers on the bottom of chamber foot portions, (iii) a viewport configuration that intersects only a single corrugation crest and (iv) a unitary end wall. A method of producing chambers with or without a unitary end wall using a common mold tool is also provided. A method of interconnecting chambers to form a chamber rows is also provided.