IP Library › Granted Patent US 1,120,793
Granted Patent S1
US 1,120,793 · App. 29/918,854 · Granted Mar 31, 2026

Doorbell

Inventors: Shuhua Liang (Taoyuan, TW); Guogui Chen (Lianjiang, CN); Bin Yang (Shenzhen, CN)
Assignee: Shenzhen Lingdu Auto Electronics Co., Ltd.
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Quick Facts
Patent No.
US 1,120,793
App. No.
29/918,854
Granted
Mar 31, 2026
Kind
S1
Claims (1)

The ornamental design for a doorbell, as shown and described.

Priority Claims (1)
CN 202330431118.X · Jul 11, 2023 · national
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ARPHA Camera Doorbell, published on (Dec. 8, 2023) on amazon.com, retrieved from internet (Sep. 4, 2025). <URL: https://www.amazon.com/-/es/Puerta-inteligente-c%C3%A1mara-video-electr%C3%B3nico/dp/B0CPSHM5CV> (Year: 202… [cited by examiner]