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:
Mar. 26, 1985
Filed:
Sep. 14, 1982
Stephen N McEwen, Bowling Green, OH (US);
Ted W Guelde, Deshler, OH (US);
Henry Filters, Inc., Bowling Green, OH (US);
Abstract
A reservoir of liquid having a false bottom forming a lower chamber of reduced pressure produced by a plurality of removable pumps suspended in apertures in said false bottom, each of which apertures is provided with a two-piece receptor and check valve assembly; the receptor of which forms a guide and hydraulic slip-fit for the lower intake end of its pump and the other part below said receptor extends into said reduced pressure chamber comprises a cylindrical housing with a check valve at its lower end to close off that aperture to the reduced pressure chamber when its pump is not running or has been removed for repair.