US Patent 10563421 Columbarium

A columbarium for housing a plurality of cremation urns including a columbarium base and a plurality of vertical openings in the base interior, the vertical openings for the storage of cremation urns. The columbarium includes a plurality of slab members secured to the base side surfaces and a lid securable to the slab member upper portions. The columbarium includes a lock assembly for securing the lid to the columbarium base including a slide catch disposed on an interior portion of the lid and a latch assembly having a latch member. The latch assembly is secured to the columbarium base and is rotatingly engageable with the slide catch by rotation of a horizontal shaft having a free end with a male or female portion aligned with the side key opening. The lock assembly includes a key having a male or female portion for mating with the latch assembly shaft. The lid is removable by inserting the key in the key opening, engaging the key male or female portion with the latch assembly shaft male or female portion and rotating the key until a free end of the latch member disengages the slide catch.