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Official data from INPI

MEMBRANA METÁLICA COMPOSITE PERMEÁVEL A HIDROGÊNIO

Em AnáliseInvention Patent

Application data

Number

PI9103432

Type

Invention Patent

Filing

08/09/1991

Publication

05/19/1992

Progress at the INPI

  1. Filing08/09/91
  2. Publication05/19/92
  3. Examination07/05/94
  4. Allowance
  5. Grant
  6. In force

Published on 05/19/1992, 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: 12/05/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bend Research, Inc.

US

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Inventors

D. E. (pessoa física)

US

Technical data

Priority claims

US

566.092 · 08/10/1990

US

734,177 · 07/22/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1995

RPI 1305

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

3.4

08/18/1992

RPI 1133

Publicação do pedido de patente

#3.1

05/19/1992

RPI 1120

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