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.

Date of Patent:
Apr. 25, 1989

Filed:

Sep. 30, 1987
Applicant:
Inventors:

Mitsuo Nakamura, Wako, JP;

Tsuyoshi Yamashita, Wako, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
181290 ; 181291 ; 181294 ;
Abstract

A soundproof structure for vehicle use includes a vehicle body forming panel, a lower side sound absorbing foamed resin layer on the panel, a rigid sound insulating panel on the foamed resin layer, and a press means between the vehicle body forming panel and the sound insulating panel to urge the sound insulating panel toward the former panel, the press means acting to hold the lower side foamed resin layer in compressed state, and an upper side sound absorbing layer being further laminated on the sound insulating panel.


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Nakamura, Mitsuo. (1989). Vehicular soundproof structure (U.S. Patent No. 4823909). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4823909

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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