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:
Jun. 28, 2022
Filed:
Jan. 21, 2020
Applicant:
Cardiac Pacemakers, Inc., St. Paul, MN (US);
Inventors:
William J. Linder, Golden Valley, MN (US);
James Blilie, Shoreview, MN (US);
Scott Dahl, St. Anthony Village, MN (US);
Arthur J. Foster, Blaine, MN (US);
Keith R. Maile, New Brighton, MN (US);
Assignee:
Cardiac Pacemakers, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/375 (2006.01);
U.S. Cl.
CPC ...
A61N 1/3752 (2013.01); A61N 1/37512 (2017.08);
Abstract
An apparatus includes a housing including a bore and a housing groove within the bore and located on an inner surface of the housing; and a coil spring located within the housing and mounted within the housing groove, wherein the housing groove has a non-uniform radius such that the coil spring defines zones of relative low contact force and zones of relative high contact force.