The filing fee is only $45, so applying for a copyright should be done as a matter of course whenever possible. With respect to inventions, you should be thinking about getting a patent of some kind. The options are getting a utility patent, getting a design patent or both.
Height and weight and size for a calico cat? The colour of the cat's coat does not depict its overall shape and weight. The average weight of a cat is usually about 8 - 16 pounds. Cats average about 23 - 25cm in height and 46cm in body length, not including the tail.
A calico cat has one X chromosome that has the gene for orange fur and an X chromosome that has the gene for black fur. Females have two X chromosomes, so it is possible for them to carry one X chromosome that has the orange color gene and one that has the black color gene. variation on the usual calico color pattern is seen in dilute or pastel calico cats. These variations get their name from the fact that the color pattern is a diluted or pastel version of the typical colors.