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:
Nov. 15, 1977
Filed:
Feb. 12, 1976
Applicant:
Inventor:
Yrjo Aho, Westend, SF;
Assignee:
Exel Oy, Helsinki, SF;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A41D / ;
U.S. Cl.
CPC ...
2209 ;
Abstract
A hearing protection means having an ear hood and an annular washer plate releasably secured thereto with mating surfaces therebetween. An annular sealing pad is provided having an annular skirt portion which is adapted to be secured to the hearing protection means between the mating surfaces of the ear hood and annular washer plate.
Aho, Yrjo. (1977). Fixing arrangement for the sealing pad on the ear hood of a hearing (U.S. Patent No. 4057856). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4057856
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile