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.:

US 7644469 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 12, 2010

Filed:

Oct. 11, 2007
Applicants:

David R. Beers, Dallastown, PA (US);

Xiang Wang, Suzhou, CN;

Inventors:

David R. Beers, Dallastown, PA (US);

Xiang Wang, Suzhou, CN;

Assignee:

Black & Decker Inc., Newark, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A vacuum electronics isolation system utilizes an isolation circuit for providing a low voltage for operating a controller and to provide low voltage control signals for operating the vacuum motor to isolate the high voltage power source from the user.


Find Patent Forward Citations

Beers, David. (2010). Vacuum electronics isolation method (U.S. Patent No. 7644469). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7644469

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

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