Tennis racket frame

Details Tennis racket frame Tennis racket frame

2007-09-25

2007-09-25

Chiu, Raleigh W. (Department: 3711)

Games using tangible projectile

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

Racket or paddle; accessory therefor

C473S524000, C473S537000

Reexamination Certificate

active

11407092

ABSTRACT:
A tennis racket frame is composed of a laminate of prepregs each containing carbon fibers serving as a reinforcing fiber thereof. At least one part of layers of the laminate is formed as a hard layer consisting of a prepreg composed of the reinforcing carbon fibers and a hard carbon film (DLC film) formed on the surface of the carbon fibers.

REFERENCES:
patent: 5575875 (1996-11-01), Brittingham et al.
patent: 6088947 (2000-07-01), Suzue et al.
patent: 6652969 (2003-11-01), Murakami et al.
patent: 6893720 (2005-05-01), Nakahigashi et al.
patent: 2003/0064838 (2003-04-01), Ashino et al.
patent: 10-24575 (1998-01-01), None
patent: 2940397 (1999-06-01), None

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