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:
Mar. 01, 1994
Filed:
Apr. 12, 1993
Applicant:
Inventors:
Frank Fenton, South Hadley, MA (US);
Michael J Sullivan, Chicopee, MA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
2731 / ; 2731 / ; 273D / ;
Abstract
A cavity back iron with vibration dampening material in the cavity. The material is a polyurethane having a hardness of 20-50 Shore D, a flexural modulus of 1,000-50,000 p.s.i., a percent elongation of 100-600, and a tensile strength of 2,000-8,000 p.s.i.