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Official data from INPI

CENTRAL ELETRICA DE CARGA MEDIA COM UM EQUIPAMENTO DE GASEIFICACAO DE CARVAO INTEGRADO

Em AnáliseInvention Patent

Application data

Number

PI8402607

Type

Invention Patent

Filing

05/31/1983

Publication

04/30/1985

Progress at the INPI

  1. Filing05/31/83
  2. Publication04/30/85
  3. Examination12/16/86
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated06/13/95

The patent was granted on 08/30/1988 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRAFTWERK UNION AG [DE]

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Inventors

G. K. (pessoa física)

M. R. (pessoa física)

S. U. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/22/1988

RPI 944

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

12/16/1986

RPI 843

Publicação do pedido de patente

#3.1

04/30/1985

RPI 758

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

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