Stringing sandwich, an apparatus that lays strings on top of...

Details Stringing sandwich, an apparatus that lays strings on top of... Stringing sandwich, an apparatus that lays strings on top of...

2011-01-04

2011-01-04

Chiu, Raleigh W. (Department: 3711)

Games using tangible projectile

Player held and powered, nonmechanical projector, per se,...

Racket or paddle; accessory therefor

C473S557000

Reexamination Certificate

active

07862455

ABSTRACT:
An apparatus that lays strings on top of each other within a frame; the overlying of the strings, once the process is finish, will create the arrays of intersections between the vertical and horizontal strings that create the net in a racquet, such as a tennis racquet, or squash racquet. The apparatus is new, very useful and has of a main section, a complementary overlap cover for the main section, a way of securing and undoing the main section to and from the frame of the racquet, and an inlet and outlet passage for the strings to and from the main section. In addition, a preferred embodiment includes the main section with vertical and horizontal routes that overpass each other made of transparent plastic, and consisting of any number of vertical and horizontal routes. A preferred embodiment includes the complementary overlap with a design of any geometric shape.

REFERENCES:
patent: 2156092 (1939-04-01), Johnson
patent: 2268276 (1941-12-01), Caro et al.
patent: 3994496 (1976-11-01), Burchett
patent: 4082272 (1978-04-01), Garver
patent: 4270752 (1981-06-01), Strelow
patent: 4339131 (1982-07-01), Balaban
patent: 4439908 (1984-04-01), McDonald
patent: 4452452 (1984-06-01), Timmer
patent: 4456254 (1984-06-01), McDonald
patent: 2584298 (1987-01-01), None
patent: WO 9518654 (1995-07-01), None

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