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:
Oct. 15, 2013
Filed:
Oct. 07, 2011
Applicant:
Robert E. Harr, Kasilof, AK (US);
Inventor:
Robert E. Harr, Kasilof, AK (US);
Assignee:
Harr Technologies, Inc., Anchorage, AK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/028 (2006.01);
U.S. Cl.
CPC ...
Abstract
Replacement drainage structures and methods for replacing drainage structures are disclosed. An example method includes driving a plurality of sections of a replacement drainage structure around a buried drainage structure to be replaced. At least a portion of the drainage structure to be replaced is positioned within the interior of a section of the replacement drainage structure. Portions of the drainage structure to be replaced are removed.