Player Held And Powered, Nonmechanical Projector, Per Se, For Projecting Aerial Projectile By Striking; Part Thereof Or Accessory Therefor Patents (Class 473/516)
- Having striking faces attached to the ends of intermediate handle (Class 473/525)
- Having handle at an angle to, offset from, or nonradially oriented relative to plane of striking member (Class 473/526)
- Paddle (Class 473/527)
- Folding or detachable shaft (Class 473/531)
- Having replaceable string frame (Class 473/532)
- Double strung (i.e., having striking faces formed from two spaced-apart, planar sets of strings) (Class 473/533)
- With adjustable string-tensioning means (Class 473/534)
- Fiber reinforced plastic frame (Class 473/535)
- Having dimensional characteristic or other parameter specified by a number, numeric variable, or mathematical formula (e.g., location of center of gravity, elastic modulus of a string, weight of racket, etc.) (Class 473/537)
- Elongated string-hole liner (e.g., grommet, bushing, etc.) (Class 473/539)
- Having string mounting feature other than mere through-holes lying in string plane (Class 473/540)
- Prefabricated string assembly, means to prevent relative movement or wear at crossover points of strings, or having one or more strings with specified characteristic or arrangement (Class 473/543)
- Nonmetallic frame having metallic reinforcement or frame composed of metal-plastic composite (Class 473/544)
- Metallic frame (Class 473/545)
- Throat wedge, bridge, or reinforcement (Class 473/546)
- Having laminated frame (Class 473/547)
- String guard, frame bumper or guard, or specified shaft to head connection (Class 473/548)
- Handle or grip structure (Class 473/549)
- Accessory for use with racket or paddle (e.g., used with or for tennis racket, etc.) (Class 473/553)