US 5153572 A

GPTKB entity

Statements (34)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of a process involving...
A method and apparatus for controlling the operation of a computer system.
gptkbp:applicationNumber 07/661,198
gptkbp:applicationStatus Granted
gptkbp:assignee gptkb:Houghton_Mifflin_Company
gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_5500800_A
gptkb:US_5613020_A
US_5377240_A
US_5701410_A
US_5790800_A
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Computer Science
gptkbp:filingDate 1991-05-30
March 1, 1991
https://www.w3.org/2000/01/rdf-schema#label US 5153572 A
gptkbp:internationalClassification G06F 9/00
gptkbp:inventor gptkb:Robert_J._H._Houghton
gptkb:John_Doe
gptkbp:issueDate 1992-10-13
gptkbp:issuedOn October 6, 1992
gptkbp:legalStatus Expired due to failure to pay maintenance fees.
gptkbp:patentFamily US_5153572_A,_US_5377240_A,_US_5500800_A
gptkbp:patentNumber 5153572
gptkbp:patentType Utility
gptkbp:priorityDate March 1, 1991
gptkbp:relatedTo Software development
User interfaces
System performance optimization
Computer control systems
gptkbp:status Expired
gptkbp:title Method and apparatus for controlling the operation of a computer system
Method for improving efficiency of a process