Official data from INPI

PROCESSO PARA RETIRADA DE ALCATRÃO POR LAVAGEM DE GÁS POBRE COMBUSTÍVEL PROVINIENTE DE GASOGÊNEO.

IndeferidaInvention Patent

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Application data

Number

PI8102473

Type

Invention Patent

Filing

04/22/1981

Publication

11/24/1981

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Progress at the INPI

Under appeal

Filing04/22/81
Publication11/24/81
Examination03/02/82
Refused04/02/85
Grant
In force

The application was refused by the INPI on 04/02/1985. The invention was never patented.

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Latest action published by the INPI: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

Inventors

S. C. (pessoa física)

Technical data

IPC Classification

C10C 1/00 C10K 1/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/02/1985

RPI 754

Conhecimento de parecer técnico

#7.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Publicação antecipada

#3.2

11/24/1981

RPI 579

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