ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,608, issued on Feb. 10, was assigned to KIDDE FIRE PROTECTION LLC (Bradenton, Fla.).
"Hermetically sealed portable fire extinguisher with pressure indicator" was invented by Henry Arnette (Mebane, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable fire extinguisher is disclosed which includes a cylinder for storing a pressurized fire extinguishing agent and has a neck portion defining an outlet, and a flexible hermetic seal supported across the outlet of the cylinder, wherein the flexible hermetic seal is adapted and configured to transition between: an unexpanded condition corresponding to an unpressurized cylinder; an expanded conditio...