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:
Jan. 01, 2008
Filed:
Apr. 28, 2004
Applicants:
James D. Ralph, Lehigh Valley, PA (US);
Stephen Tatar, Montville, NJ (US);
Joseph P. Errico, Kirkland, WA (US);
Inventors:
James D. Ralph, Lehigh Valley, PA (US);
Stephen Tatar, Montville, NJ (US);
Joseph P. Errico, Kirkland, WA (US);
Assignee:
SpineCore, Inc., Summit, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by at least one force restoring element. The preferred force restoring mechanism is a wave washer. In a first embodiment the wave washer is ring-shaped. In a second embodiment the wave washer is spiral-shaped.