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Official data from INPI

PROCESSO DE FUSÃO DE SUCATA FERROSA E FORNO ELÉTRICO PARA EMPREGO NO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8703946

Type

Invention Patent

Filing

07/31/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing07/31/87
  2. Publication04/05/88
  3. Examination01/15/91
  4. Allowance11/23/93
  5. Grant06/28/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clecim

FR

See this company's full portfolio

Inventors

J. D. (pessoa física)

FR

R. J. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 11215 · 08/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Pedido de patente depositado

#2.1

10/20/1987

RPI 887

Carta-patente expirada

#21.1

Patente extinta em 31/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

01/15/1991

RPI 1050

Solicitação de exame não realizada

#4.2

10/16/1990

RPI 1037

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