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Official data from INPI

PROCESSO PARA CRAQUEAMENTO CATALÍTICO FLUIDO DE HIDROCARBONETOS

ConcedidaInvention Patent

Application data

Number

PI8204113

Type

Invention Patent

Filing

07/15/1982

Publication

02/21/1984

Progress at the INPI

  1. Filing07/15/82
  2. Publication02/21/84
  3. Examination05/29/84
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

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Inventors

E. L. (pessoa física)

BR

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Carta-patente expirada

#21.1

Patente extinta em 15/07/97

07/01/2008

RPI 1956

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