Sifting litter box
Description
The broken lines depict environmental subject matter, are for illustrative purposes only, and form no part of the claimed design.
Claims
The ornamental design for a sifting litter box, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- https://luuup.com/?gclid=EAlalQobChMI28Do6J_H2wIVyiSBCh21WwIUEAAYASAAEgl3v_D_BwE; Luuup Nesting and Sifting Litter Boxes; cannot find a date on website.
Patent History
Patent number: D839498
Type: Grant
Filed: Jan 5, 2017
Date of Patent: Jan 29, 2019
Inventors: Nicholas Petty (Toronto), Ralph P. Gumpesberger (London)
Primary Examiner: Cathy Anne MacCormac
Application Number: 29/589,932
Type: Grant
Filed: Jan 5, 2017
Date of Patent: Jan 29, 2019
Inventors: Nicholas Petty (Toronto), Ralph P. Gumpesberger (London)
Primary Examiner: Cathy Anne MacCormac
Application Number: 29/589,932
Classifications
Current U.S. Class:
Waste Collector (e.g., Litter Box, Etc.) (D30/161)