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Official data from INPI

COMBUSTIVEL E PROCESSO PARA ESTABILIZAR ETANOL HIDRATADO NA GASOLINA

Em AnáliseInvention Patent

Application data

Number

PI7908370

Type

Invention Patent

Filing

02/23/1979

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing02/23/79
  2. Publication
  3. Examination11/03/82
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP

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Inventors

H. S. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Pedido de certificado de adição de invenção

#5.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

11/03/1982

RPI 628

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