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:
Aug. 18, 2020
Filed:
Apr. 11, 2018
Applicant:
Echowell Electronic Co., Ltd., New Taipei, TW;
Inventor:
Hsi-Hsien Chen, Taichung, TW;
Assignee:
ECHOWELL ELECTRONIC CO., LTD., New Taipei, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
U.S. Cl.
CPC ...
Quick Actions:
Chen, Hsi-Hsien. (2020). Vacuum tube speaker (U.S. Patent No. D893460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/D893460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile