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Official data from INPI

LAMINADOR CONTÍNUO E PROCESSO DE LAMINAÇÃO CONTÍNUA

Em ExigênciaInvention Patent

Application data

Number

PI8504859

Type

Invention Patent

Filing

10/02/1985

Publication

12/16/1986

Progress at the INPI

  1. Filing10/02/85
  2. Publication12/16/86
  3. Examination02/24/87
  4. Allowance08/17/93
  5. Grant02/16/94
  6. Terminated06/04/96

The patent was granted on 02/16/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Metal Industries, Ltd

JP

See this company's full portfolio

Inventors

C. H. (pessoa física)

JP

Y. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

121081/1985 · 06/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

02/24/1987

RPI 853

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

08/17/1993

RPI 1185

Exigência - art. 36 da LPI

#6.1

01/19/1993

RPI 1155

Exigência - art. 36 da LPI

#6.1

03/10/1992

RPI 1110

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

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