US 400,123,408 C1

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 400,123,408
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy gptkb:US_500,123,456
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1976-05-10
gptkbp:firstClaim A method for improving efficiency comprising the steps of...
https://www.w3.org/2000/01/rdf-schema#label US 400,123,408 C1
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:maintenanceFee paid
gptkbp:numberOfClaims 20
gptkbp:patentType utility
gptkbp:priorityDate 1975-05-10
gptkbp:publicationDate 1977-01-11
gptkbp:relatedTo US_400,123,407_C1
gptkbp:status granted
gptkbp:title Method for improving efficiency