US 6,789,905 K95

GPTKB entity

Properties (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving K95 mask filtration.
gptkbp:applicationNumber 10/780,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:ABC_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:description This patent describes a novel filtration method.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2024-02-06
gptkbp:fieldOfInvention respiratory protection
gptkbp:filingDate 2004-02-06
gptkbp:firstClaim A mask comprising a filter.
The mask of claim 1, wherein the filter is made of...
https://www.w3.org/2000/01/rdf-schema#label US 6,789,905 K95
gptkbp:internationalClassification A62B18/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 2004-09-14
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentClassification Class 128/200.18
gptkbp:patentFamily US_6,789,905_K95_family
gptkbp:patentNumber 6,789,905
gptkbp:patentType utility
gptkbp:priorityDate 2003-02-06
gptkbp:relatedTo K95 masks
gptkbp:status active
gptkbp:technology filtration technology