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. 28, 1992
Filed:
Mar. 07, 1991
Applicant:
Inventor:
Jeffrey Liu, Taipei, TW;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H63B / ;
U.S. Cl.
CPC ...
273 / ; 273 / ; 273 / ;
Abstract
A racket with anti-shock air cushions, constructed with poly-urethane air cushions provided at a lower end of the frame closely spaced with connecting tube passing therethrough. Inflation and exhaust elements are provided below the lower end of the frame and between two throats, thereby properly regulating the air cushions and attaining an optimal anti-shock effect.