ALEXANDRIA, Va., June 19 -- United States Patent no. D1,079,513, issued on June 17.

"Smoke alarm" was invented by Xiaolong Du (Huaibei, China).

The patent was filed on March 24, 2025, under Application No. D/995,017.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1079513&OS=D1079513&RS=D1079513

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