US Patent Issued to ZHONGSHAN MEITU PLASTIC IND. on Aug. 25 for "Telescopic drain pipe" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,531, issued on Aug. 25, was assigned to ZHONGSHAN MEITU PLASTIC IND. Co. LTD. (Zhongshan, China).

"Telescopic drain pipe" was invented by Wenhui Zhou (Zhongshan, China) and Haojia Huang (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic drain pipe includes a first pipe, a second pipe, and an unlocking member. The first pipe includes a first pipe body, with a positioning structure on an outer wall thereof. The positioning structure includes at least two positioning grooves spaced apart. The second pipe includes a second pipe body sleeved over the first pipe body and slidable relative to the first pipe body. The unlocking me...