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Official data from INPI

MICROESFERAS MAGNETIZÁVEIS, DISPERSÕES AQUOSAS DAS MESMAS E PROCESSO PARA SUA PREPARAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8803521

Type

Invention Patent

Filing

07/13/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing07/13/88
  2. Publication02/08/89
  3. Abandoned10/03/89
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

B. C. (pessoa física)

F. L. (pessoa física)

G. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 09918 · 07/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/03/1989

RPI 989

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Arquivamento - Art. 36 §1° da LPI

#11.2

07/20/1993

RPI 1181

Exigência - art. 36 da LPI

#6.1

02/16/1993

RPI 1159

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