US 4,999,988 A

GPTKB entity

Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in a manufacturing process.
gptkbp:applicationNumber 07/305,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:classification B01J 19/00
gptkbp:description This patent describes a method for improving efficiency in manufacturing.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2011-03-12
gptkbp:fieldOfInvention industrial processes.
gptkbp:fieldOfUse manufacturing
gptkbp:figure Figure 1 shows the process flow.
Figure 2 shows the apparatus.
gptkbp:filingDate 1990-01-12
gptkbp:firstClaim A method comprising the steps of...
https://www.w3.org/2000/01/rdf-schema#label US 4,999,988 A
gptkbp:internationalClassification C23C 16/00
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:issueDate 1991-03-12
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,999,988_A,_US_5,000,001_A
gptkbp:patentType utility
gptkbp:priorityDate 1989-01-12
gptkbp:relatedTo gptkb:US_4,888,888_A
gptkbp:status active
gptkbp:title Method for improving efficiency