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:
Mar. 09, 1993
Filed:
Apr. 18, 1991
Applicant:
Inventor:
Carl R Lindstrom, Cambridge, MA (US);
Assignee:
Clivus Multrum, Inc., Lawrence, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210143 ; 210151 ; 210170 ; 210200 ; 210241 ; 4460 ; 4463 ; 4DIG / ; 71-7 ; 71-9 ; 71 12 ;
Abstract
A new portable system is disclosed for composting feces and for treating urine includes a composting retainer which includes a composting means for exposing the feces to sufficient air and water to allow the feces to compost, thereby forming a compost product. A urine-treatment retainer with aerobic nitrifying bacteria disposed on a substrate whereby urine is treated by the bacteria, thereby forming a liquid product. A means is available for transporting the portable system.