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:
Nov. 18, 1986

Filed:

Sep. 20, 1985
Applicant:
Inventors:

Robert C Berfield, Jersey Shore, PA (US);

Rudolph W Wacek, Montoursville, PA (US);

Craig Seasholtz, Avis, PA (US);

Assignee:

Shop-Vac Corporation, Williamsport, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55216 ; 55309 ; 55471 ; 55472 ;
Abstract

A wet/dry cannister-type vacuum cleaner is provided with a plastic grid unit that includes a spherical cup-like main section, an upper annular mounting lip, a short tubular support disposed within the main section with the lower end of the support surrounding a central inlet opening in the latter, and a grid extending across the support at the top thereof and disposed below the mounting lip. The lower end of the support constitutes a seat for a floating ball valve element. An axially extending slot in the support provides a drain for liquid that may be accumulated by the main section at the interior thereof.


Find Patent Forward Citations

Quick Actions:

Berfield, Robert. (1986). Grid element for lid of a cannister type vacuum cleaner (U.S. Patent No. 4623366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4623366

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

Loading…