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Official data from INPI

PROCESSO PARA REMOCAO DE UM CONTAMINANTE E PARA ABAIXAMENTO DO PONTO DE GOTA DE UMA CARGA DE OLEO DE XISTO INTEGRAL

IndeferidaInvention Patent

Application data

Number

PI7806554

Type

Invention Patent

Filing

03/29/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing03/29/78
  2. Publication
  3. Examination
  4. Refused12/20/83
  5. Grant
  6. In force

The application was refused by the INPI on 12/20/1983. The invention was never patented.

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Latest action published by the INPI: 12/20/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/20/1983

RPI 687

Conhecimento de parecer técnico

#7.1

03/08/1983

RPI 646

6.2

05/25/1982

RPI 605

Pedido de certificado de adição de invenção

#5.1

03/09/1982

RPI 594

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