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. 17, 1978
Filed:
Jan. 31, 1977
Applicant:
Inventors:
Donald L Johanson, Wayland, MA (US);
Thomas S Chan, Somerville, MA (US);
Assignee:
United States Surgical Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ;
Abstract
An in-the-ear hearing aid in which a complete functional instrument is contained within a modular housing of standardized configuration and which is attachable to a custom ear mold for a particular user's ear. The modular housing is anthropometrically configured and is readily attached to and removed from the ear mold for repair and replacement.