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Official data from INPI

DISPOSITIVO DE INJEÇÃO DE MATÉRIA PULVERULENTA; SEOBRETUDO CARVÃO NUM ALTO FORNO

DeferidaInvention Patent

Application data

Number

PI8601681

Type

Invention Patent

Filing

04/14/1986

Publication

12/16/1986

Progress at the INPI

  1. Filing04/14/86
  2. Publication12/16/86
  3. Examination01/10/89
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Terminated12/31/96

The patent was granted on 06/26/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de la Siderurgie Française - IRSID

FR

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Inventors

M. S. (pessoa física)

FR

Y. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85/05635 · 04/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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