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:
Mar. 19, 1985

Filed:

Feb. 14, 1984
Applicant:
Inventor:

Greg A Carlson, New Canaan, CT (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K / ;
U.S. Cl.
CPC ...
119-1 ;
Abstract

A litter-cleaning animal litter box is comprised of two substantially identical nestably stacked animal litter receptacles, with aperture means at their bottoms sized to permit the passage of litter but retain solid waste. A false bottom, to which wetted litter adheres, is fitted into each receptacle. Litter is placed into the upper receptacle-false bottom combination. A retaining edge that keeps the cat from scratching litter from the box when instinctively digging and covering is press fitted onto the peripheral shoulder of the upper receptacle. The upper receptacle-false bottom combination serves as a litter and waste holding means. The lower receptacle-false bottom combination serves as a strained litter receiving means. When operated, the retaining edge is removed and set aside. The false bottom in the upper receptacle is removed along with the adhering wetted litter. The false bottom is vibrated, scraped, wiped, washed, or otherwise mechanically worked in order to remove the adhering litter for disposal. The upper receptacle is then moved back and forth, and to and fro to make the litter fall through the receptacle's aperture means into the lower receptacle-false bottom combination. Solid waste is retained in the upper receptacle and discarded. The cleaned false bottom is replaced into the cleaned receptacle. The receptacle-false bottom combination now containing the cleaned litter is nestably stacked into the reassembled just-cleaned combination. The retaining edge is pressed onto the peripheral shoulder of the now upper receptacle, litter added to replace that discarded during cleaning, and the litter-cleaning animal litter box is again ready for service.


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