(under subclass 75.11) Above ground apparatus comprising a head, cap or enclosure for attachment to a well casing or tubing and structural reinforcement such as tie rods for holding or shoring the head, cap or enclosure to the well casing or tubing or for attaching the casing or tubing to the ground or to a fixed well structure.
(1) Note. The anchoring or bracing means must comprise more than, or be additional to, a mere pipe joint or joint securing a closure to the top of a pipe.