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Official data from INPI

MÉTODO PARA A PRODUÇÃO DE PELÍCULAS MICROPOROSAS; PELÍCULA MICROPOROSA BIAXIALMENTE ORIENTADA; E UTILIZAÇÀO DESSA PELÍCULA

Prazo de SigiloInvention Patent

Application data

Number

PI8903742

Type

Invention Patent

Filing

07/27/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing07/27/89
  2. Publication03/20/90
  3. Abandoned06/23/92
  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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

D. H. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

224.632 · 07/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Arquivamento - Art. 36 §1° da LPI

#11.2

02/13/1996

RPI 1315

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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