GENEVA, Dec. 24 -- LYTINAS, Michael, Theodore (76 Trowbridge StreetBelmont, MA 02478) filed a patent application (PCT/US2025/033660) for "LEVER DELAYED BLOWBACK OPERATING SYSTEM FOR FIREARMS" on Jun 13, 2025. With publication no. WO/2025/260055, the details related to the patent application was published on Dec 18, 2025.

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

Inventor(s): LYTINAS, Michael, Theodore (76 Trowbridge StreetBelmont, MA 02478)

Abstract: In some aspects, a delayed blowback operating system for a firearm includes a bolt, a bolt carrier assembly having one or more inclined surfaces, and one o...