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:
Aug. 24, 1993
Filed:
Aug. 26, 1991
Applicant:
Inventor:
Richard C Hannay, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12S / ; B09B / ;
U.S. Cl.
CPC ...
4352625 ; 435262 ; 435821 ; 405272 ; 588252 ;
Abstract
A method of abandoning an underground storage tank including the steps of: removing residuals, if any, from the tank; washing the tank with a detergent solution; removing the washing solution; and filling the tank with a mixture which includes water, sand, a binding agent and a material for enhancing the flowability of the mixture.
Hannay, Richard. (1993). Method for abandoning an underground storage tank (U.S. Patent No. 5238842). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5238842
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile