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:
Feb. 25, 1992
Filed:
Dec. 24, 1990
Applicant:
Inventor:
Roy E Johnson, Norwalk, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ; B65D / ; E04B / ;
U.S. Cl.
CPC ...
277166 ; 2772 / ; 277213 ; 277215 ; 521697 ; 52140 ; 52403 ; 404 25 ;
Abstract
A gasket secured to the cover frame of an underground vault. The vault is of the type having a precast underground portion and an upper opening including a steel cover frame with a horizontal, flat surface to which the gasket is adhered. The gasket has a plurality of ridges along its inner edge, a flat center portion wherein the bolt holes are located and an outer ridge adjacent the bolt holes but separated from the outer edge.