The copper chest is called "Chest" in its interface

When opening the interface of any copper chest variant, it appears simply as "Chest."
This can be observed by following these steps:

1. Place any variant of an unrenamed copper chest in a location where it can be opened;

2. Open it and check its name.

Expected result: The copper chest's name reflects its state (oxidation level, whether it is waxed), unless the player has renamed it using an anvil.
Actual result: The name of any copper chest variant is simply "Chest."