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Official data from INPI

PELÍCULA DE MÚLTIPLAS CAMADAS PARA ACONDICIONAR ITENS SOB ATMOSFERA CONTROLADA E EMBALAGENS

PublicadaInvention Patent

Application data

Number

PI8801961

Type

Invention Patent

Filing

04/22/1988

Publication

11/22/1988

Progress at the INPI

  1. Filing04/22/88
  2. Publication11/22/88
  3. Examination03/26/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/22/1988, 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. Grace & Co.

US

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Inventors

A. O. (pessoa física)

IT

M. G. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20270 A/87 · 04/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Retificação

#15.3

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

14.4

10/02/1990

RPI 1035

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