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Official data from INPI

PROCESSO PARA PARTIDA DE UM SISTEMA DE COMBUSTAO UTILIZANDO UM CATALIZADOR,PROCESSO PARA PARTIDA DE UM SISTEMA DE TURBINA A GAS,E SISTEMA DE TURBINA

Em AnáliseInvention Patent

Application data

Number

PI7608733

Type

Invention Patent

Filing

12/29/1975

Publication

-

Progress at the INPI

  1. Filing12/29/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  6. Terminated11/24/87

The patent was granted on 04/26/1983 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENGELHARD MIN & CHEM

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Inventors

P. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

04/26/1983

RPI 653

14.1

12/14/1982

RPI 634

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

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