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Official data from INPI

MÉTODO DE REFINAÇÃO À VÁCUO PARA AÇO FUNDIDO

Arquivada/ExtintaInvention PatentPCT · JP1996002173

Application data

Number

PI9606545

Type

Invention Patent

Filing

08/01/1996

Publication

12/30/1997

PCT

JP1996002173

Progress at the INPI

  1. Filing08/01/96
  2. Publication12/30/97
  3. Examination
  4. Allowance06/04/02
  5. Grant12/24/02
  6. Expired11/01/16

The letters patent expired on 11/01/2016: 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: 11/01/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

NIPPON STEEL & SUMITOMO METAL CORPORATION

JP

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Inventors

K. M. (pessoa física)

JP

K. Y. (pessoa física)

JP

K. F. (pessoa física)

JP

S. S. (pessoa física)

JP

S. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

7/196760 · 08/01/1995

JP

7/200110 · 08/04/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/08/2016

11/01/2016

RPI 2391

Alteração de nome deferida

#25.4

12/24/2013

RPI 2242

Concessão da patente

#16.1

12/24/2002

RPI 1668

Deferimento

#9.1

06/04/2002

RPI 1639

Notificação de entrada na fase nacional - PCT

#1.3

12/30/1997

RPI 1410

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