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. 12, 1981
Filed:
Jul. 27, 1978
Applicant:
Inventor:
Robert L Sivon, Perry, OH (US);
Assignee:
True Temper Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
238-9 ; 404 44 ;
Abstract
A module for cooperative installation with a plurality of similar modules proximate a set of railway tracks, and borne upon support members therefor to yield a modularized railway crossing grade assembly, is comprised of a hollow form having exterior side walls, end walls and a bottom wall, a keyway formed in a first end wall and a key formed in the opposing end wall, the keyway and key being of complementary geometrical configuration whereby successive forms may be positively interlocked, and anchoring members for securing the form to a support member. The module is adapted to receive a quantity of load-bearing fill material within the hollow form.