IP Library › Granted Patent US 1,143,375
Granted Patent S1
US 1,143,375 · App. 29/998,165 · Granted Aug 18, 2026

Cat litter box

Inventor: Zhen Chen (Xuzhou, CN)
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Quick Facts
Patent No.
US 1,143,375
App. No.
29/998,165
Granted
Aug 18, 2026
Kind
S1
Claims (1)

The ornamental design for a cat litter box, as shown and described.

References Cited (15)
US 11963512B1 · Tang · 2024 [cited by examiner]
US D1039226S · Pan · 2024 [cited by examiner]
US 12171188B2 · Tian · 2024 [cited by examiner]
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US 20250113798A1 · Zhang · 2025 [cited by examiner]
CN 309626637 · 2025 [cited by examiner]
Whiffee Self Cleaing Litter Box for Multiple Cats, 88L Large Smart Automatic Cat Litter Box with App Control, Health Monitoring, Integrated Safety Sensors, Odor Removal, Mat, Liners (White); posted Jul. 16, 2025, retrie… [cited by examiner]
Beokeo Automatic Litter Box, Self Cleaning Litter Box for Multiple Cats, Smart APP Control & Dual Safety Sensors, 15-Day Large Capacity Waste Bin, Odor Control, Includes Trash Bags, Gray; posted Feb. 18, 2026, retrieved… [cited by examiner]