US 420,000,004 B2

URI: https://gptkb.org/entity/US_420%2C000%2C004_B2
GPTKB entity
Properties (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in a process.
gptkbp:applicationNumber 07/550,123
gptkbp:applicationPublication gptkb:US_2001/0000001_A1
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 10
gptkbp:class Method and apparatus for processing materials
gptkbp:examiner Jane_Smith
gptkbp:expirationDate April 29, 2012
gptkbp:fieldOfInvention Industrial Processes
gptkbp:filingDate August 15, 1990
gptkbp:firstClaim 5
A method for...
https://www.w3.org/2000/01/rdf-schema#label US 420,000,004 B2
gptkbp:internationalClassification B01J 19/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate April 29, 1992
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_420,000,004_B2,_US_420,000,005_B2
gptkbp:patentLength 20 years
gptkbp:patentNumber 420000004
gptkbp:patentType Utility Patent
gptkbp:priorityDate August 15, 1990
gptkbp:relatedPatent gptkb:US_420,000,005_B2
gptkbp:status Active
gptkbp:title Method for improving efficiency