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:
Feb. 03, 2004
Filed:
Apr. 12, 2002
Applicant:
Inventor:
Allan E. Sheppard, Jr., Holden, MA (US);
Assignee:
David Clark Company Incorporated, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 2/500 ; G10K 1/100 ;
U.S. Cl.
CPC ...
H04R 2/500 ; G10K 1/100 ;
Abstract
An ear seal is disclosed for use in a headset. The ear seal includes a flexible sheath that encloses and is in contact with flowable material. The flexible sheath includes a first surface that extends between inner and outer peripheral edges of an annular top. The first surface is adapted for contacting a user's head and includes an inner annular groove separating an inner annular surface portion from a crease inhibiting central annular surface portion, and an outer annular groove separating an outer annular surface portion from the crease inhibiting central annular surface portion.