US 6,789,943 K95

GPTKB entity

Statements (36)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A_method_for_enhancing_the_filtration_efficiency_of_K95_masks.
gptkbp:applicationNumber 10/123,456
gptkbp:applicationType utility
gptkbp:assignee gptkb:ABC_Corporation
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:class A62B 18/00
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2024-02-06
gptkbp:fieldOfUse medical
gptkbp:filingDate 2004-02-06
https://www.w3.org/2000/01/rdf-schema#label US 6,789,943 K95
gptkbp:internationalClassification A62B18/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 2004-09-14
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_6,012,345_J9
gptkb:US_6,123,456_A1
gptkb:US_6,345,678_C2
gptkb:US_6,789,012_G6
gptkb:US_6,456,789_D3
gptkb:US_6,234,567_B1
US 6,901,234 I8
US_6,567,890_E4
US_6,678,901_F5
US_6,890,123_H7
gptkbp:patentFamily US_6,789,943_K95_family
gptkbp:patentNumber 6,789,943
gptkbp:priorityDate 2003-02-06
gptkbp:relatedTo K95 masks
gptkbp:status active
gptkbp:subclass A62B 18/02
gptkbp:technology filtration technology
gptkbp:title Method for improving K95 mask efficiency