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:
May. 14, 1985
Filed:
Mar. 28, 1983
Applicant:
Inventor:
Frank E Turner, San Mateo, CA (US);
Assignee:
The Burke Company, San Mateo, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
404 50 ; 404 68 ; 52155 ; 52365 ; 249-3 ;
Abstract
A key joint forming strip and supporting stake therefor wherein the upper portion of the strip includes a hook segment engageable with a supporting ledge on the upper end of the stake and the intermediate portion of the stake includes a downwardly facing hook engageable with a protrusion on a lower portion of the strip. In use, the hook segment is first engaged with the ledge and then the lower portion of the strip is forced against the stake to engage the protrusion beneath the downwardly facing hook. Once so engaged, the strip is held in place between the ledge and the hook.