Samsung has reportedly applied to trademark the phrase "Armor Frame" in the EU, US and South Korea. Its new American IP application specifically indicates that it applies to smartphones, inviting speculation that it refers to a new engineering or design tweak for its upcoming flagships, particularly those of a foldable nature.
https://www.notebookcheck.net/A-new-Samsung-trademark-hints-at-improved-durability-in-its-next-gen-smartphones.533261.0.html