Patent ID: 8083615

Claim:
A set of golf tees comprising: a first golf tee having a lower portion for insertion into a holding surface and an upper portion for supporting a golf ball, the lower portion of the first golf tee having a tip, the lower portion of the first golf tee, when viewed in vertical cross section, having opposite side edges that are disposed at a first angle with respect to each other when measured at a predetermined distance from the tip of the first golf tee; a second golf tee having a lower portion for insertion into the holding surface and an upper portion for supporting the golf ball, the lower portion of the second golf tee having a tip, the lower portion of the second golf tee, when viewed in vertical cross section, having opposite side edges that are disposed at a second angle with respect to each other when measured at the predetermined distance from the tip of the second golf tee; and a third golf tee having a lower portion for insertion into the holding surface and an upper portion for supporting the golf ball, the lower portion of the third golf tee having a tip, the lower portion of the third golf tee, when viewed in vertical cross section, having opposite side edges that are disposed at a third angle with respect to each other when measured at the predetermined distance from the tip of the third golf tee, wherein: the second angle being greater than the first angle; the third angle being greater than the first angle but less than the second angle; the first golf tee produces a first spin rate for the golf ball that is impacted by a golf club while being supported by the upper portion of the first golf tee; the second golf tee produces a second spin rate for the golf ball that is impacted by the golf club while being supported by the upper portion of the second golf tee; the second spin rate is greater than the first spin rate; the first golf tee has a first length dimension; the second golf tee has a second length dimension; the first length dimension is equal to the second length dimension; and a shape of the upper portion of the first golf tee is substantially similar to a shape of the upper portion of the second golf tee.