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. 28, 1992
Filed:
May. 21, 1990
Bruce A Christensen, Cool, CA (US);
J E Christensen, Auburn, CA (US);
Other;
Abstract
A construction block suitable for the preparation of an assemblage such as lawn edging, patio perimeters (patio containment system) and the like, wherein a plurality of the blocks are rigidly assembled into the desired configuration without the use of mortar. Each construction block is formed as a pre-cast module, preferably of concrete, within which there is a conduit said conduit being formed from an optional elongated imperforate pipe length with at least one double ended female pipe coupling, and if said pipe is present, double ended female couplings are present at the opposite ends thereof. The conduit may extend in one or more directions through the block and terminates flush with the outer walls thereof. Connection of adjacent blocks one to another to form an assemblage is carried out by connector means comprising the interposition and adhesion of male nipples within adjacent female couplings. A concrete caulk sealant may be applied between any two spaced blocks to retard growth of grass and weeds.