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Official data from INPI

DISPOSITIVO PARA A PRODUCAO DE GRANDES QUANTIDADES DE GAS COMBUSTIVEL A PARTIR DE MATERIAIS CONTENDO CARBONO

Em AnáliseInvention Patent

Application data

Number

PI8107211

Type

Invention Patent

Filing

11/08/1980

Publication

07/27/1982

Progress at the INPI

  1. Filing11/08/80
  2. Publication07/27/82
  3. Examination06/05/84
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated05/24/88

The patent was granted on 03/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER HUMBOLDT DEUTZ AG [DE]

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Inventors

G. W. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

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