GENEVA, Feb. 2 -- CASCO SIGNAL LTD. (Room 1101, No.21, Lane 1401, Jiangchang RdJingan District, Shanghai 200435), 卡斯柯信号有限公司 (中国上海市静安区江场路1401弄21号1101室) filed a patent application (PCT/CN2023/132187) for "CBTC SYSTEM BASED ON INTERVAL PROTECTION AND HETEROGENEOUS REDUNDANCY, AND IMPLEMENTATION METHOD THEREFOR" on Nov 17, 2023. With publication no. WO/2025/020368, the details related to the patent application was published on Jan 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectua...