US 2,890,131 A

GPTKB entity

Statements (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A system for processing electrical signals.
gptkbp:applicationDate April 15, 1957
gptkbp:applicationNumber gptkb:US_2,890,131
gptkbp:applicationType Utility
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_the_Army
gptkbp:citedBy US_3,000,000_A
US_4,000,000_A
US_5,000,000_A
US_3,500,000_A
US_6,000,000_A
gptkbp:claims 10
gptkbp:country gptkb:US
gptkbp:documentType Patent_Grant
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Electrical engineering
gptkbp:filedIn gptkb:William_H._McCulloch
https://www.w3.org/2000/01/rdf-schema#label US 2,890,131 A
gptkbp:internationalClassification H04B 1/00
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn June 16, 1959
gptkbp:legalStatus Granted
gptkbp:location gptkb:United_States
gptkbp:patentFamily US_2,890,131_A_family
gptkbp:patentNumber 2,890,131
gptkbp:priorityDate April 15, 1957
gptkbp:relatedPatent US_2,890,130_A
US_2,890,132_A
gptkbp:status Expired
gptkbp:title Electrical signal processing system