Door knob
Description
The broken lines in the drawings depict portions of the door knob that form no part of the claimed design.
Claims
The ornamental design for a door knob, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- “Iuknob Fingerprint Door Knob” Mar. 28, 2023, Amazon, site visited May 8, 2026: https://www.amazon.com/iuknob-Fingerprint-Navigation-Programming-Combination/dp/B0BVRNTDQG (Year: 2023).
- “ThorBolt Fingerprint Door Lock” Sep. 5, 2024, Amazon, site visited May 8, 2026: https://www.amazon.com/ThorBolt-Fingerprint-THREAD-Required-MK1/dp/B0D91YZK3V (Year: 2024).
- “Richelock Fingerprint Door Knob” Dec. 1, 2024, Amazon, site visited May 8, 2026: https://www.amazon.com/Richelock-Fingerprint-Waterproof-Weatherproof-Navigation/dp/B0DJDF476M (Year: 2024).
- “Fingerprint Door Lock” Dec. 1, 2024, Amazon, site visited May 8, 2026: https://www.amazon.com/Fingerprint-Biometric-Thumbprint-Apartment-Office-Matte/dp/B0D1BR28N8 (Year: 2024).
- “ThorBolt G1 Fingerprint Door Knob Lock” Feb. 16, 2026, Amazon, site visited May 8, 2026: https://www.amazon.com/ThorBolt-G1-Fingerprint-Biometric-Auto-Lock/dp/B0FWJZXHBW (Year: 2026).
Patent History
Patent number: D1152725
Type: Grant
Filed: Mar 25, 2025
Date of Patent: Oct 13, 2026
Assignee: Shenzhen Zhao Lang Intelligent Technology Co., Ltd. (Shenzhen)
Inventor: Yaxin Liu (Shenzhen)
Primary Examiner: Darlington Ly
Assistant Examiner: Sydney M Evans
Application Number: 29/995,243
Type: Grant
Filed: Mar 25, 2025
Date of Patent: Oct 13, 2026
Assignee: Shenzhen Zhao Lang Intelligent Technology Co., Ltd. (Shenzhen)
Inventor: Yaxin Liu (Shenzhen)
Primary Examiner: Darlington Ly
Assistant Examiner: Sydney M Evans
Application Number: 29/995,243
Classifications
Current U.S. Class:
D8/331;
D8/301