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:
Jul. 12, 2011
Filed:
Jan. 07, 2004
Applicants:
Norman H. Margolus, Somerville, MA (US);
Jered J. Floyd, Cambridge, MA (US);
George E. Homsy, Ii, Cambridge, MA (US);
Jeffrey M. Keller, Cambridge, MA (US);
Inventors:
Norman H. Margolus, Somerville, MA (US);
Jered J. Floyd, Cambridge, MA (US);
George E. Homsy, II, Cambridge, MA (US);
Jeffrey M. Keller, Cambridge, MA (US);
Assignee:
Permabit Technology Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for keeping track, in an electronic data processing system, of when references made to an element that is stored in memory have all been removed, the method being designed to deal with failures in a manner that does not falsely conclude there are no references.