IP Library › Granted Patent US 1,085,839
Granted Patent S1
US 1,085,839 · App. 29/919,939 · Granted Jul 29, 2025

Smart door lock

Inventors: Xiuchun He (Dongguan, CN); Wei Xu (Dongguan, CN); Shuhua Liang (Dongguan, CN); Fang Peng (Dongguan, CN)
Assignee: Dongguan Lingdu Electronics Technology Co., Ltd
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Quick Facts
Patent No.
US 1,085,839
App. No.
29/919,939
Granted
Jul 29, 2025
Kind
S1
Claims (1)

The ornamental design for a smart door lock, as shown and described.

Priority Claims (1)
CN 202330359276.9 · Jun 12, 2023 · national
References Cited (12)
US D783384S · Shargh · 2017 [cited by examiner]
US D883068S · Guo · 2020 [cited by examiner]
US D888534S · Kim · 2020 [cited by examiner]
US D901279S · Molaie Shargh · 2020 [cited by examiner]
US D912492S · Singh · 2021 [cited by examiner]
US D916578S · Su · 2021 [cited by examiner]
US D938799S · Wei · 2021 [cited by examiner]
US D976673S · Zhang · 2023 [cited by examiner]
US D986030S · Lovejoy · 2023 [cited by examiner]
US D998445S · Zhou · 2023 [cited by examiner]
US D1024727S · He · 2024 [cited by examiner]
Arpha, posted Dec. 7, 2023 [online], [retrieved May 16, 2025]. Retrieved from internet, https://www.amazon.com/Anti-Peeping-Password-Touchscreen-Electronic-Deadbolt/dp/B0C9LZV1GQ (Year: 2023). [cited by examiner]