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Official data from INPI

PROCESSO PARA MELHORAR A COMBUSTÃO DE UM GASÓLEO, BEM COMO COMPOSIÇÃO DE GASÓLEO.

Em AnáliseInvention Patent

Application data

Number

PI8102362

Type

Invention Patent

Filing

04/15/1981

Publication

12/22/1981

Progress at the INPI

  1. Filing04/15/81
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 04/15/1981. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. F. (pessoa física)

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Inventors

B. J. (pessoa física)

G. H. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 08546 · 04/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/09/1988

RPI 903

Pedido de certificado de adição de invenção

#5.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

12/22/1981

RPI 583

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