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Official data from INPI

PROCESSO PARA OBTENÇÃO DE ENXOFRE ELEMENTAR A PARTIR DE PIRITAS DE QUALQUER NATUREZA E CONCENTRADOS PIRITOSOS.

Em AnáliseInvention Patent

Application data

Number

PI8506126

Type

Invention Patent

Filing

12/06/1985

Publication

06/30/1987

Progress at the INPI

Under appeal
  1. Filing12/06/85
  2. Publication06/30/87
  3. Examination11/14/89
  4. Refused07/09/91
  5. Grant
  6. In force

The application was refused by the INPI on 07/09/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. P. (pessoa física)

RJ, BR

Inventors

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Indeferimento

#9.2

07/09/1991

RPI 1075

Conhecimento de parecer técnico

#7.1

10/30/1990

RPI 1039

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