IP Library › Granted Patent US 1,146,560
Granted Patent S1
US 1,146,560 · App. 30/027,699 · Granted Sep 8, 2026

Doorknob

Inventor: Tuukka Purasmaa (Oulu, FI)
Assignee: iLOQ Oy
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Quick Facts
Patent No.
US 1,146,560
App. No.
30/027,699
Granted
Sep 8, 2026
Kind
S1
Claims (1)

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

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 20, 2025
From: PURASMAA, TUUKKA
To: ILOQ OY
Reel/Frame 072979/0404 →
Priority Claims (2)
EM 015098771-0001 · Apr 14, 2025 · regional
EM 015098771-0002 · Apr 14, 2025 · regional
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Amazon.com, Inc., “ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob . . . ”, Apr. 9, 2026 (Customer Review: “It locks” by Amazon Customer), online, <https://www.amazon.com/ThorBolt-G1-Fingerprint-B… [cited by examiner]
Amazon.com, Inc., “Turbolock TL-111 Pro Smart Door Lock . . . ”, Jul. 26, 2019, online, <https://www.amazon.sa/-/en/TURBOLOCK-Knob-Styled-Security-Emergency-8741782771/dp/B07QJW5Q8L>. (Year: 2019). [cited by examiner]