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Official data from INPI

PROCESSO APERFEIÇOADO DE PRODUÇÃO DE ETANOL.

Em AnáliseInvention Patent

Application data

Number

PI8101335

Type

Invention Patent

Filing

03/05/1981

Publication

-

Progress at the INPI

Awaiting grant fee payment
  1. Filing03/05/81
  2. Publication
  3. Examination01/04/83
  4. Allowance01/18/94
  5. Grant
  6. In force

The application was allowed by the INPI on 01/18/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 06/21/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unisearch Limited

AU

Inventors

R. P. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

Deferimento

#9.1

01/18/1994

RPI 1207

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