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Official data from INPI

PROCESSO DE ADEQUAÇÃO DE CONCRETO DE MINÉRIO DE FERRO P/O SEU EMPREGO NA PRODUÇÃO DE SINTER P/ALTOS-FERNOS

PublicadaInvention Patent

Application data

Number

PI8705622

Type

Invention Patent

Filing

10/21/1987

Publication

05/16/1989

Progress at the INPI

  1. Filing10/21/87
  2. Publication05/16/89
  3. Abandoned05/22/90
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

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Inventors

E. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/16/1989

RPI 969

Pedido de patente depositado

#2.1

11/22/1988

RPI 944

10.1

11/22/1994

RPI 1251

Conhecimento de parecer técnico

#7.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

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