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:
Dec. 11, 1990
Filed:
Feb. 29, 1988
Applicant:
Inventors:
William Stratton, Malvern, PA (US);
Carol Wellington, Berwyn, PA (US);
Assignee:
Unisys Corporation, Detroit, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ; 36424341 ; 3642481 ;
Abstract
A system for maintaining a cache in the main memory of a large data processing system for storing many tracks of data received from a large number of disk files where the disk files are non-volatile which is required to store critical customer data. More importantly, the present invention resides in a software system which is a part of the operating system of a large data processing system to maintain this cache.