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Official data from INPI

PROCESSO PARA PREPARAR UM CATALISADOR DE ÓXIDOS MISTOS.

Em ExigênciaInvention Patent

Application data

Number

PI8404104

Type

Invention Patent

Filing

08/16/1984

Publication

07/16/1985

Progress at the INPI

  1. Filing08/16/84
  2. Publication07/16/85
  3. Examination08/11/87
  4. Allowance05/29/90
  5. Grant11/27/90
  6. Terminated05/14/96

The patent was granted on 11/27/1990 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alusuisse Itália S.p.A., companhia italiana

IT

Lummus Crest Inc.

US

Inventors

C. F. (pessoa física)

IT

G. S. (pessoa física)

DE

G. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

US

523.769 · 08/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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