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Official data from INPI

PROCESSO PARA CRAQUEAMENTO E DESPARAFINAÇÃO DE UM ÓLEO DE HIDROCARBONETO PESADO

Em AnáliseInvention Patent

Application data

Number

PI8302595

Type

Invention Patent

Filing

05/17/1983

Publication

01/17/1984

Progress at the INPI

Awaiting grant fee payment
  1. Filing05/17/83
  2. Publication01/17/84
  3. Examination12/17/85
  4. Allowance05/31/88
  5. Grant
  6. In force

The application was allowed by the INPI on 05/31/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

L. B. (pessoa física)

P. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

379.421 · 05/18/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Republicação - classificação IPC

#15.11

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

07/05/1983

RPI 663

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