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. 12, 1994
Filed:
May. 11, 1992
Applicant:
Inventor:
Robert D Black, Douglasville, GA (US);
Assignee:
Trebor Corporation, Forest Park, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138 89 ; 138 92 ; 217110 ; 220D / ;
Abstract
A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to engage the side wall of a drilled hole. The ribs prevent the passage of fluids or chemicals from the hole.