The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 1989
Filed:
Oct. 20, 1988
Applicant:
Inventors:
Joseph A Autorino, New Britain, CT (US);
Jeffrey P Crouch, New Britain, CT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 273 / ; 2731 / ; 73443 ; 73515 ; 116272 ; 272124 ; 272D / ;
Abstract
A hollow plastic ball bat has an internally mounted swing metering device that provides a visual indication of swing velocity. The bat is defined by inner and outer members that are coupled to one another to define a recess that receives a transparent annular barrel. A bore in this barrel has a weighted piston that moves in the bore, as a result of its inertia, During a swinging or other movement of the bat itself.