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:
Jan. 29, 1991
Filed:
Apr. 03, 1989
Applicant:
Inventors:
Donald G Shu, San Mateo, CA (US);
Norbert J Stein, Santa Clara, CA (US);
Claude A Hamrick, Los Gatos, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ; A63B / ;
U.S. Cl.
CPC ...
273 / ; 273 / ; 273 / ;
Abstract
A two piece tennis racket comprising a strung, oval shaped head and a detachable handle unit which includes a grip forming portion and a head attachment portion which is preferably collapsible into or about the grip portion to accommodate compact stowage. The head and attachment portion are adapted to include suitable fastening means for allowing speedy connection and disconnection of the handle unit to the head.