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:
Jun. 18, 1996
Filed:
Feb. 14, 1995
Applicant:
Inventor:
Roger A Bullivant, Burton-on-Trent, GB;
Assignee:
Roxbury Limited, Gilbralter, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D / ; E04B / ;
U.S. Cl.
CPC ...
52338 ; 52274 ; 52294 ; 52322 ; 52611 ; 405229 ; 405233 ;
Abstract
A pre-cast reinforced concrete structural beam comprises an upstanding web (136) and at least an inwardly directed flange (138) at the base of the web, the face of the web which is innermost in use and/or the upper face of the flange having surface irregularities (236,140) formed therein into which a cast in situ floor slab can penetrate to form a mechanical lock with the beam.