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Official data from INPI

PROCESSO DE GASEIFICACAO COMPLETA DE MATERIAS CARBONADAS

IndeferidaInvention Patent
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Application data

Number

PI8008692

Type

Invention Patent

Filing

05/22/1979

Publication

-
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Progress at the INPI

Under appeal
  1. Filing05/22/79
  2. Publication
  3. Examination08/10/82
  4. Refused02/21/84
  5. Grant
  6. In force

The application was refused by the INPI on 02/21/1984. The invention was never patented.

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Latest action published by the INPI: 02/21/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. U. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/21/1984

RPI 696

Conhecimento de parecer técnico

#7.1

08/09/1983

RPI 668

Pedido de certificado de adição de invenção

#5.1

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

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