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:
Aug. 22, 1995
Filed:
Apr. 08, 1991
Applicant:
Inventor:
Leonard N Albrecht, Irvine, CA (US);
Assignee:
Deep Root Partners, L.P., Burlingame, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
5274514 ; 527413 ; 52578 ; 52102 ; 52 71 ; 5274111 ; 47 25 ;
Abstract
A root-control barrier apparatus and method employing living hinges, such hinges forming parts of various types of root-control barriers including single-elongate, closed-loop polygonal with different numbers of sides, and curved.
Quick Actions:
Albrecht, Leonard. (1995). Root-control barrier combination, and method of controlling roots by (U.S. Patent No. 5442891). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5442891
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