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. 20, 2007
Filed:
Sep. 09, 2004
Applicants:
John Allen Jenkins, Jr., San Diego, CA (US);
Jim Tiemens, Laguna Niguel, CA (US);
Inventors:
John Allen Jenkins, Jr., San Diego, CA (US);
Jim Tiemens, Laguna Niguel, CA (US);
Assignee:
Howard Leight Industries, LLC, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 67/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Earplugs with soft foam bodies and with stiffeners in the bodies, are molded by suspending the stiffener in the body mold cavity using a pin () that extends into a passage () at the rear of the body. Each stiffener is tapered in diameter, with a rear end () of greatest diameter.