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.

Date of Patent:
Jan. 30, 1990

Filed:

Jun. 30, 1989
Applicant:
Inventors:

Alexander R Podgers, Lake City, PA (US);

Eric J Butterfield, Fairview, PA (US);

Assignee:

Emco Wheaton, Inc., Raleigh, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B67D / ;
U.S. Cl.
CPC ...
141 86 ; 141 98 ; 222108 ; 137312 ; 137371 ; 52 20 ; 220 / ; 220 / ; 404 25 ;
Abstract

A containment manhole is formed of an upper rim and a bottom sump portion connected by an expansion joint permitting radial and axial movement of the sump portion relative to the rim. The sump portion has an integrally formed drain for the drainage of spilled product in the manhole directly into the riser. The rim also has an upstanding flange and the lid of the manhole extends over the flange with a wide, downwardly sloped skirt directing water off the lid to the outer perimeter.


Find Patent Forward Citations

Podgers, Alexander. (1990). Containment manhole (U.S. Patent No. 4896705). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4896705

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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