Official data from INPI

PROCESSO PARA A PREPARACAO DE COQUE PARA ELETRODOS,DE BAIXO TEOR DE ENXOFRE,A PARTIR DE PRODUTOS DE CARBONO E CARGAS DE PETROLEO DE ALTO TEOR DE ENXOFRE

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7801932

Type

Invention Patent

Filing

03/30/1977

Publication

View on INPI

Progress at the INPI

Filing03/30/77
Publication
Examination
Refused01/13/87
Grant
In force

The application was refused on 01/13/1987 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. N. (pessoa física)

Inventors

K. T. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

130

01/13/1987

RPI 847

Arquivamento - Art. 36 §1° da LPI

#11.2

04/08/1986

RPI 807

8.1

08/27/1985

RPI 775

Recurso

#12.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

From the same holder

COMPOSICAO DE ASFALTO,PARTICULARMENTE PARA OBTENCAO DE SUPERFICIE DE ESTRADA DE ASFALTO,E PROCESSO PARA PRODUCAO DA DITA COMPOSICAO

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.