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:
May. 22, 2001
Filed:
May. 21, 1999
Applicant:
Inventors:
Marshall S. Kriesel, Saint Paul, MN (US);
William W. Feng, Lafayette, CA (US);
Farhad Kazemzadeh, Bloomington, MN (US);
Assignee:
Science Incorporated, Bloomington, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 1/00 ;
U.S. Cl.
CPC ...
G09F 1/00 ;
Abstract
A fluid operated timing device in which the timing interval is determined by the rate at which the fluid flows through a precisely configured rate control frit upon being forced through the frit by an energy source in the form of a compressible elastomeric member.