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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8700832

Type

Invention Patent

Filing

02/23/1987

Publication

08/18/1987

Progress at the INPI

  1. Filing02/23/87
  2. Publication08/18/87
  3. Examination09/22/87
  4. Allowance
  5. Grant
  6. In force

Published on 08/18/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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

Applicants and inventors

Applicants

W.R. Grace & Co. - Conn

SP, BR

See this company's full portfolio

Inventors

G. N. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação antecipada

#3.2

08/18/1987

RPI 878

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

14.1

06/15/1993

RPI 1176

14.1

06/08/1993

RPI 1175

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

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