Tennis racket

Details Tennis racket Tennis racket

Filed on

1975-07-10

Date issued

1977-02-08

Examiner

Apley, Richard J.

Patent Class

Amusement devices: games

SubClass

Aerial projectile game; game element or accessory therefor...

SubSubClass

Target

Other Related Categories

273 75, A63B 4908

Type

Patent

Status

active

Patent number

040068960

Description

ABSTRACT:
An improved tennis racket is disclosed which includes strings, a frame holding the strings in a common plane, a handle attached to the frame and marking indicia on the handle for insuring proper indexing between the common plane and the player's hand which grips the handle. The marking indicia comprises various combinations of finger grooves cut in the handle surface, bumps or other surface irregularities sensitive to palpation and aligning marks cut into, raised from or painted on the handle surface.

REFERENCES:
patent: 412479 (1889-10-01), Davis
patent: 1126208 (1915-01-01), Hayford
patent: 1917236 (1933-07-01), Bloomstrand
patent: 2091512 (1937-08-01), Marsh
patent: 2177143 (1939-10-01), Lamkin
patent: 2448731 (1948-09-01), Park
patent: 2628100 (1953-02-01), Beebe
patent: 2865635 (1958-12-01), Jessen
patent: 2925273 (1960-02-01), Pratt
patent: 3370851 (1968-02-01), Murray
patent: 3534960 (1970-10-01), Hanks
patent: 3848874 (1974-11-01), Elkins
patent: 3868110 (1975-02-01), Jones
patent: 3905598 (1975-09-01), Ballog

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