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Official data from INPI

PROCESSO DE OBTENÇÃO DE GRANULADOS A PARTIR DE ESCÓRIA DE ACIARIA.

ConcedidaInvention Patent

Application data

Number

PI8303951

Type

Invention Patent

Filing

07/25/1983

Publication

03/05/1985

Progress at the INPI

  1. Filing07/25/83
  2. Publication03/05/85
  3. Examination04/28/87
  4. Allowance06/13/89
  5. Grant11/28/89
  6. Terminated02/18/92

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Industrielle de Recuperation Metallurgique C.I.R.M.

FR

Inventors

G. B. (pessoa física)

FR

J. G. (pessoa física)

FR

P. L. (pessoa física)

FR

P. V. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

10/10/1989

RPI 990

Deferimento

#9.1

06/13/1989

RPI 973

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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