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:
Oct. 06, 1987
Filed:
Mar. 03, 1986
Applicant:
Inventors:
Edward G Fochtman, Elmhurst, IL (US);
Carl P Swanstrom, Crestwood, IL (US);
Assignee:
Chemical Waste Management, Inc., Oak Brook, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73820 ; 73 76 ;
Abstract
A waste material compression tester is provided and having a reservoir or chamber for holding a sample of waste material containing liquid, a pressure source to apply pressure to the waste material under a pre-set pressure and a predetermined time period and a detector to indicate whether liquid was exuded from the waste material after the pressure is removed.
Fochtman, Edward. (1987). Waste material compression tester (U.S. Patent No. 4697457). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4697457
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile