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Official data from INPI

FEIXE DE MEMBRANAS DE SEPARAÇÃO DE FIBRAS OCAS; PERMEADOR E PROCESSO PARA PRODUZIR O FEIXE

PublicadaInvention Patent

Application data

Number

PI8802376

Type

Invention Patent

Filing

05/17/1988

Publication

12/05/1989

Progress at the INPI

  1. Filing05/17/88
  2. Publication12/05/89
  3. Examination10/29/91
  4. Allowance
  5. Grant
  6. In force

Published on 12/05/1989, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

J. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

181.914 · 04/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Retificação

#15.3

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

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