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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO PARA PRODUZIR UM ARTIGO DE AÇO LAMINADO, ARTIGO DE AÇO LAMINADO

Arquivada/ExtintaInvention PatentPCT · US1995014526

Application data

Number

PI9509616

Type

Invention Patent

Filing

11/03/1995

Publication

01/06/1998

PCT

US1995014526

Progress at the INPI

  1. Filing11/03/95
  2. Publication01/06/98
  3. Examination
  4. Allowance06/03/03
  5. Grant09/16/03
  6. Expired12/15/15

The letters patent expired on 12/15/2015: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

ISG Sparrows Point LLC

US

ISG Technologies Inc.

US

Severstal Sparrows Point Holding LLC

US

SEVERSTAL SPARROWS POINT LLC

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

K. T. (pessoa física)

US

Technical data

Priority claims

US

08/335.004 · 11/07/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/11/2015

12/15/2015

RPI 2345

Alteração de nome deferida

#25.4

Nome Alterado de: ISG Sparrows Point LLC

06/21/2011

RPI 2111

Transferência deferida

#25.1

Transferido por Fusão de: Severstal Sparrows Point Holding LLC

06/07/2011

RPI 2109

Transferência deferida

#25.1

Transferido de: ISG Technologies Inc.

05/24/2011

RPI 2107

Transferência deferida

#25.1

Transferido de: Bethlehem Steel Corporation

06/27/2006

RPI 1851

Concessão da patente

#16.1

09/16/2003

RPI 1706

Deferimento

#9.1

06/03/2003

RPI 1691

Exigência - art. 36 da LPI

#6.1

10/29/2002

RPI 1660

Conhecimento de parecer técnico

#7.1

11/03/1999

RPI 1504

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1998

RPI 1411

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