Patent · US Expired

Check valve for mattress assembly

US6418579B2 · kind B2 · utility

37Cited by

46References

30Claims

0Family size

Assignee

Hill-Rom Services, Inc. · US

Inventors

Timothy Wade Perez · Charleston, US
Sohrab Soltani · Charleston, US
James J. Romano · Charleston, US

Key dates

Filing date	Jun 4, 2001
Grant date	Jul 16, 2002
Priority date	—
Expiry date	Jun 4, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/3584
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A check valve adapted for use between first and second fluid chambers. The check valve is configured to prevent fluid flow from the second fluid chamber into the first fluid chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.