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:
Apr. 26, 1994
Filed:
Jun. 29, 1992
Applicant:
Inventor:
Leonard N Albrecht, Irvine, CA (US);
Assignee:
Deep Root Partners, L.P., Burlingame, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G / ;
U.S. Cl.
CPC ...
47 33 ; 47 30 ; 52102 ; 404-7 ;
Abstract
A tree root-control barrier system formed by a plurality of panels having vertical ridges thereon. Then panels are embedded in the earth between a sidewalk and a tree whose roots are to be controlled. Upper and lower cross-members are provided on the panels at their upper edges, and perform various functions including sun protection, protection against lawn trimmers, protection against the growing of tree roots above the ground, and others.