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Official data from INPI

PROCESSO DE PRODUÇÃO DE TERMOFERTILIZANTES UTILIZANDO-SE ESCÓRIAS LÍQUIDAS DE ACIARIA ELÉTRICA

Em AnáliseInvention Patent

Application data

Number

PI8601161

Type

Invention Patent

Filing

03/17/1986

Publication

02/24/1987

Progress at the INPI

Under appeal
  1. Filing03/17/86
  2. Publication02/24/87
  3. Examination04/28/87
  4. Refused09/15/92
  5. Grant
  6. In force

The application was refused by the INPI on 09/15/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Acesita Energética S/A

MG, BR

Inventors

R. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação antecipada

#3.2

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

10/07/1986

RPI 833

Indeferimento

#9.2

09/15/1992

RPI 1137

Conhecimento de parecer técnico

#7.1

11/05/1991

RPI 1092

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