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Official data from INPI

PROCESSO PARA BENEFICIAR ÓLEOS BRUTOS PESADOS PARA FABRICAÇÃO DE COQUE APROPRIADO PARA FINS METALÚRGICOS

ConcedidaInvention Patent

Application data

Number

PI8400409

Type

Invention Patent

Filing

01/31/1984

Publication

09/11/1984

Progress at the INPI

  1. Filing01/31/84
  2. Publication09/11/84
  3. Examination02/20/85
  4. Allowance03/01/88
  5. Grant08/29/89
  6. Terminated06/06/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Intevep, S.A.

VE

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Inventors

H. B. (pessoa física)

J. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

465,210 · 02/09/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/23/1989

RPI 970

110

02/28/1989

RPI 958

Recurso

#12.1

06/14/1988

RPI 921

Deferimento

#9.1

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

11/26/1985

RPI 788

Pedido de certificado de adição de invenção

#5.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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