U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Pitching practice device

Patent 4254952 Issued on March 10, 1981. Estimated Expiration Date: Icon_subject December 11, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1142184

1469130

2657058

2873969

2986398

3227026

3312467

3810616

Tennis practice and teaching rebounder
Patent #: 4082271
Issued on: 04/04/1978
Inventor: Martin

Sports training apparatus
Patent #: 4083559
Issued on: 04/11/1978
Inventor: Owen, Jr.

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Inventor

Application

No. 05/968189 filed on 12/11/1978

US Classes:

473/456, Having subdivided strike zone273/401Entrance opening is formed in laterally extending surface

Examiners

Primary: Pinkham, Richard C.
Assistant: Brown, T.

Attorney, Agent or Firm

International Classes

A63B 63/00 (20060101)
A63B 69/00 (20060101)

Abstract

A pitching practice device consisting of a sheet of canvas or the like supported in a vertical plane, and having an aperture formed therein defining a strike zone, at which a baseball pitcher may pitch baseballs to develop his accuracy and control. For still greater accuracy of control, and to "catch" the balls, a canvas chute is attached to the rearward surface of the sheet, and divided into a plurality of sections each opening through the sheet aperture, for receiving and trapping any ball entering its opening. The sheet aperture is thus divided into zones for indicating, and recording, whether a pitched ball is "high", "low", "inside", "outside", or "down the middle". The sheet is resiliently supported to prevent damage either to the device or to the ball. The device may also be adapted for use, with a set of playing rules, as a competitive game, particularly for children.

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