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. 08, 2005
Filed:
Dec. 30, 2002
Andrew M. Bryant, Quorn, GB;
Gustavo H. Castro, Cottage Grove, MN (US);
David J. Greenleaf, Loughborough, GB;
Peter D. Hodson, Breaston, GB;
Gary D. Mahon, Wilford, GB;
Andrew M. Bryant, Quorn, GB;
Gustavo H. Castro, Cottage Grove, MN (US);
David J. Greenleaf, Loughborough, GB;
Peter D. Hodson, Breaston, GB;
Gary D. Mahon, Wilford, GB;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Valve stems for use in an aerosol metering valve are described herein. The valve stems include structures designed to limit the likelihood and extent to which a gasket can intrude into an opening in the valve stem. The valve stems described herein also limit the likelihood and extent of damage to the gasket caused by repeated use of the metering valve.