US 3,555,552 A

URI: https://gptkb.org/entity/US_3%2C555%2C552_A

GPTKB entity

Statements (71)

Predicate	Object
gptkbp:instanceOf	patent
gptkbp:abstract	A method for producing a composite material with improved properties.
gptkbp:applicationDate	April 12, 1968
gptkbp:applicationNumber	gptkb:US_3,555,552
gptkbp:assignee	gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy	gptkb:US_4,123,456_A gptkb:US_5,678,901_A
gptkbp:claims	10 claims
gptkbp:class	Composite materials
gptkbp:examiner	gptkb:John_Doe
gptkbp:fieldOfInvention	composite materials
gptkbp:filingDate	April 12, 1968
https://www.w3.org/2000/01/rdf-schema#label	US 3,555,552 A
gptkbp:internationalClassification	C08L 23/00
gptkbp:inventor	gptkb:Robert_H._Hargreaves
gptkbp:issuedOn	January 19, 1971
gptkbp:legalStatus	Lapsed
gptkbp:patentCitation	gptkb:US_5,444,444_A gptkb:US_4,555,555_A gptkb:US_6,111,111_A gptkb:US_6,666,666_A gptkb:US_3,789,012_A gptkb:US_3,654,321_A gptkb:US_6,777,777_A gptkb:US_6,888,888_A gptkb:US_7,444,444_A gptkb:US_6,222,222_A gptkb:US_6,444,444_A gptkb:US_7,999,999_A gptkb:US_6,333,333_A gptkb:US_6,999,999_A gptkb:US_7,666,666_A gptkb:US_7,888,888_A gptkb:US_5,888,888_A gptkb:US_4,444,444_A gptkb:US_7,777,777_A gptkb:US_5,666,666_A gptkb:US_4,111,111_A gptkb:US_5,111,111_A gptkb:US_4,666,666_A gptkb:US_6,555,555_A gptkb:US_4,888,888_A gptkb:US_4,222,222_A gptkb:US_7,222,222_A gptkb:US_4,777,777_A gptkb:US_7,555,555_A gptkb:US_7,111,111_A gptkb:US_3,123,456_A gptkb:US_5,222,222_A gptkb:US_5,555,555_A gptkb:US_3,890,123_A US 4,333,333 A US 5,333,333 A US 7,333,333 A US_4,000,000_A US_4,999,999_A US_5,000,000_A US_6,000,000_A US_7,000,000_A US_5,777,777_A US_5,999,999_A
gptkbp:patentFamily	Hargreaves_composite_patents
gptkbp:patentNumber	3,555,552
gptkbp:patentOffice	gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentType	Utility patent
gptkbp:priorityDate	April 12, 1968
gptkbp:relatedPatent	gptkb:US_3,456,789_A US 3,987,654 A
gptkbp:status	expired
gptkbp:subclass	Manufacturing processes
gptkbp:title	Method of making a composite material