IP Library › Granted Patent US 1,147,820
Granted Patent S1
US 1,147,820 · App. 30/008,373 · Granted Sep 15, 2026

Door lock

Inventors: Jian Chen (Zhongshan, CN); Junquan Lin (Zhongshan, CN); Lvcheng Mo (Zhongshan, CN)
Assignee: Meta Intelligence LLC
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Quick Facts
Patent No.
US 1,147,820
App. No.
30/008,373
Granted
Sep 15, 2026
Kind
S1
Claims (1)

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

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2025
From: CHEN, JIAN; LIN, JUNQUAN; MO, LVCHENG
To: META INTELLIGENCE LLC
Reel/Frame 071417/0149 →
References Cited (27)
US D820662S · Kuchler · 2018 [cited by examiner]
US 10352512B1 · Smith · 2019 [cited by examiner]
US D994460S · Huang · 2023 [cited by examiner]
US D1014218S · Yuan · 2024 [cited by examiner]
US D1052376S · Li · 2024 [cited by examiner]
US D1058340S · Wang · 2025 [cited by examiner]
US D1062428S · Lin · 2025 [cited by examiner]
US D1067014S · Kuang · 2025 [cited by examiner]
US D1082486S · Chen · 2025 [cited by examiner]
US D1083547S · Chen · 2025 [cited by examiner]
US D1097781S · Chen · 2025 [cited by examiner]
US D1099667S · Chen · 2025 [cited by examiner]
US D1108242S · Yao · 2026 [cited by examiner]
US D1118303S · Chen · 2026 [cited by examiner]
US 12618267B1 · Wallace · 2026 [cited by examiner]
US 20120304712A1 · Chiou · 2012 [cited by examiner]
US 20170350160A1 · Block · 2017 [cited by examiner]
US 20240141688A1 · Lin · 2024 [cited by examiner]
US 20250154797A1 · Chen · 2025 [cited by examiner]
CN 2021302629790 · 2021 [cited by examiner]
CN 202330612245X · 2023 [cited by examiner]
CN 2024303250732 · 2024 [cited by examiner]
CN 2024304145555 · 2024 [cited by examiner]
TW 113302122 · 2024 [cited by examiner]
Ironzon Smart Door Knob,User manual. Date first availableAug. 13, 2025, retrieved May 14, 2026,available from https://cdn.shopify.com/s/files/1/0820/5860/8914/files/User_Manual-291Y.pdf?v=1757474974 (Year: 2025). [cited by examiner]
Klloque,Instalation Guide Model K10Plus, Date first available May 30, 2024, retrieved May 14, 2026,available from https://m.media-amazon.com/images/l/B1S0idglkeL.pdf (Year: 2024). [cited by examiner]
Code Lock, Programing and ,Date first available Apr. 6, 2021, retrieved May 15, 2026,available from https://m.media-amazon.com/images/I/B1QccE0ssrL.pdf (Year: 2021). [cited by examiner]