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Official data from INPI

PROCESSO DE SEPARACAO DE AR

Em AnáliseInvention Patent

Application data

Number

PI8403601

Type

Invention Patent

Filing

07/20/1983

Publication

06/25/1985

Progress at the INPI

  1. Filing07/20/83
  2. Publication06/25/85
  3. Examination10/01/85
  4. Allowance12/16/86
  5. Grant
  6. Terminated07/12/88

The patent was granted 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOBE STEEL LTD [JP]

Inventors

I. T. (pessoa física)

O. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

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