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Official data from INPI

GASEIFICADOR DE FLUXO CRUZADO COM REDUTOR DE VELOCIDADE E TÚNEL DE LIMPEZA.

Em AnáliseInvention Patent

Application data

Number

PI8304381

Type

Invention Patent

Filing

08/10/1983

Publication

03/19/1985

Progress at the INPI

  1. Filing08/10/83
  2. Publication03/19/85
  3. Examination06/25/85
  4. Allowance04/08/86
  5. Grant12/30/86
  6. Terminated10/10/89

The patent was granted on 12/30/1986 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Geniogáz Equipamentos Energéticos Ltda

Inventors

M. A. (pessoa física)

N. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

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