US Patent 10974876 Fluid container having fluid level indicators

A fluid container including a fluid vessel having a neck with an opening and having an internal compartment sized to hold a volume of fluid, the internal compartment being at least partially enclosed by an opaque layer, a closure assembly removably coupled to the fluid container to cover the opening, and two or more fluid level indicators defined in the opaque layer, each fluid level indicator comprising a translucent or transparent material configured to permit light to pass through the opaque layer and into the internal compartment, at least two of the two or more fluid level indicators being positioned on circumferentially opposed sides of the fluid vessel.