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Official data from INPI

PROCESSO E EQUIPAMENTO PARA CONCENTRACAO MAGNETICA DE MATERIAIS SOLIDOS

Em AnáliseInvention Patent

Application data

Number

PI8404899

Type

Invention Patent

Filing

09/26/1984

Publication

04/29/1986

Progress at the INPI

Under appeal
  1. Filing09/26/84
  2. Publication04/29/86
  3. Examination08/12/86
  4. Refused11/13/90
  5. Grant
  6. In force

The application was refused by the INPI on 11/13/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SL SERVICOS E PARTICIPACOES S [BR]

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

09/17/1991

RPI 1085

Indeferimento

#9.2

11/13/1990

RPI 1041

Conhecimento de parecer técnico

#7.1

03/01/1990

RPI 1007

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