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Official data from INPI

PROCESSO E PROCESSADOR CENTRAL PARA CONTROLE DE SEQUÊNCIA

Em AnáliseInvention Patent

Application data

Number

PI8403767

Type

Invention Patent

Filing

07/27/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/27/84
  2. Publication07/02/85
  3. Examination03/18/86
  4. Allowance08/08/89
  5. Grant03/20/90
  6. Terminated09/12/95

The patent was granted on 03/20/1990 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hitachi, Ltd., companhia japonesa

JP

Inventors

H. Y. (pessoa física)

JP

K. K. (pessoa física)

JP

T. O. (pessoa física)

JP

Y. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

139445/83 · 08/01/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Solicitação de exame técnico

#4.1

03/18/1986

RPI 804

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

Concessão da patente

#16.1

03/20/1990

RPI 1010

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