MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202611088584 A) filed by K. R. Mangalam University on July 21, 2026, for Modular Sandal Having An Interchangeable Heel And A Dual-Lock Coupling.

Inventors include Jyoti Sehrawat; and Indrajeet Kumar.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: A footwear assembly (100) has a sole assembly (10) with a socket (20) whose bore (22) carries cam tracks (24), each having an axial entry slot (26), a helical draw zone and a terminal self-locking zone ending in a detent recess (28). A heel module (200) has a spigot (220) with radial cam followers (222). Sectored annular magnets (30, 230) on the sole ...