US 4,998,901 A1

GPTKB entity

Properties (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving signal processing.
gptkbp:applicationDate 1991-05-31
gptkbp:applicationNumber 07/710,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Tech_Innovations_Inc.
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:coInventor Jane_Smith
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:Michael_Johnson
gptkbp:fieldOfInvention electrical engineering
gptkbp:filingDate 1991-05-31
gptkbp:firstClaim A method for processing signals.
A system for signal processing.
gptkbp:grantDate 1991-03-12
https://www.w3.org/2000/01/rdf-schema#label US 4,998,901 A1
gptkbp:internationalClassification H04B 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:patentCitation gptkb:US_7,890,123_C2
gptkb:US_10,123,456_F5
gptkb:US_4,567,890_A
gptkb:US_5,678,901_A
gptkb:US_6,789,012_B1
US 8,901,234 D3
US 18,901,234 N3
US_16,789,012_L1
US_11,234,567_G6
US_12,345,678_H7
US_13,456,789_I8
US_14,567,890_J9
US_15,678,901_K0
US_17,890,123_M2
US_19,012,345_O4
US_20,123,456_P5
US_9,012,345_E4
gptkbp:patentFamily US_4,998,901_A1,_US_5,123,456_A
gptkbp:patentLength 20 years
gptkbp:patentNumber 4,998,901
gptkbp:patentType utility
gptkbp:priorityDate 1990-06-01
gptkbp:publicationDate 1991-03-12
gptkbp:relatedTo gptkb:US_4,567,890_A
gptkbp:status granted
gptkbp:technologyArea signal processing