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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO PARA CRAQUEAMENTO CATALÍTICO DESTINADO AO CRAQUEAMENTO DE UMA FRAÇÃO DE PETRÓLEO

ConcedidaInvention Patent

Application data

Number

PI8304404

Type

Invention Patent

Filing

08/15/1983

Publication

03/27/1984

Progress at the INPI

  1. Filing08/15/83
  2. Publication03/27/84
  3. Examination05/06/86
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated02/18/92

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

408.109 · 08/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Conhecimento de parecer técnico

#7.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

03/27/1984

RPI 701

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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