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gptkbp:instanceOf
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patent
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gptkbp:abstract
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An electrical signal processing system for improving the quality of signals.
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gptkbp:applicationDate
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April 15, 1957
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gptkbp:applicationNumber
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US_2,890,171
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gptkbp:applicationType
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Non-provisional
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gptkbp:assignee
|
The_United_States_of_America_as_represented_by_the_Department_of_the_Army
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gptkbp:citedBy
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US_3,000,000_A
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gptkbp:country
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gptkb:United_States
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
Electrical engineering
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gptkbp:firstClaim
|
US_3,000,000_A
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|
https://www.w3.org/2000/01/rdf-schema#label
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US 2,890,171 A
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gptkbp:internationalClassification
|
H04B1/00
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gptkbp:inventor
|
gptkb:William_H._McCulloch
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gptkbp:inventorResidence
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American
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gptkbp:issuedOn
|
June 16, 1959
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gptkbp:legalStatus
|
Expired
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gptkbp:numberOfClaims
|
10
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gptkbp:numberOfFigures
|
3
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gptkbp:patentCitation
|
US_2,500,000_A
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|
gptkbp:patentExpiration
|
1976-06-16
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gptkbp:patentFamily
|
US_2,890,171_A_family
|
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gptkbp:patentNumber
|
2,890,171
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentStatus
|
Granted
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gptkbp:patentType
|
Utility patent
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gptkbp:priorityDate
|
April 15, 1957
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gptkbp:relatedTo
|
signal processing technology
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gptkbp:title
|
Electrical signal processing system
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