US 4,999,989 A

GPTKB entity

Statements (68)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of a specific process.
gptkbp:applicationNumber 07/688,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:class G06F
gptkbp:documentType utility patent
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse industrial processes
gptkbp:filingDate 1991-05-31
gptkbp:fullText Available online
https://www.w3.org/2000/01/rdf-schema#label US 4,999,989 A
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1991-03-12
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus active
gptkbp:location gptkb:Washington,_D.C.
gptkbp:maintenanceFee paid
gptkbp:patentAbstract gptkb:Washington,_D.C.
Referenced in multiple subsequent patents.
English.
A method for improving process efficiency.
Method for improving efficiency.
Filed on 1991-05-31
gptkbp:patentAssignee Acme_Corporation.
gptkbp:patentCitation gptkb:US_4,888,888_A
Granted
Cited_by_US_5,123,456_A.
gptkbp:patentClassification CPC
gptkbp:patentDescription Detailed description of the invention.
gptkbp:patentExpiration 2008-03-12
2008-03-12.
gptkbp:patentFamily US_4,999,989_A_family
US_4,999,989_A_family.
gptkbp:patentField Engineering
Industrial processes.
gptkbp:patentImage image_url_here
gptkbp:patentInventor gptkb:John_Doe
California.
Jane_Smith.
John_Doe.
gptkbp:patentLink https://patents.google.com/patent/US4999989A
https://patents.google.com/patent/US4999989A.
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 4,999,989
4,999,989.
gptkbp:patentOwner gptkb:Acme_Corporation
Acme_Corporation.
gptkbp:patentStatus Active.
Expired due to non-payment.
Expired.
gptkbp:patentType granted
Granted.
Utility patent.
Filed as application number 07/688,123.
Granted on 1991-03-12
Related_to_US_4,999,988_A.
gptkbp:priorityDate 1990-05-31
gptkbp:relatedPatent US_5,000,000_A
gptkbp:relatedTo gptkb:US_4,999,988_A
gptkbp:status expired
gptkbp:subclass G06F 15/16
gptkbp:title Method for improving efficiency of a process