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Official data from INPI

FILME DE EMBALAGEM A VACUO,E PROCESSO PARA APERFEICOAR A CAPACIDADE DE FORMACAO E RESISTENCIA EXCESSIVA DE UM FILME DE EMBALAGEM

Em ExigênciaInvention Patent

Application data

Number

PI8701831

Type

Invention Patent

Filing

04/15/1986

Publication

01/26/1988

Progress at the INPI

  1. Filing04/15/86
  2. Publication01/26/88
  3. Examination06/19/90
  4. Allowance
  5. Grant
  6. In force

Published on 01/26/1988, 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GRACE W R & CO [US]

Inventors

B. P. (pessoa física)

F. C. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

11/20/1990

RPI 1042

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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