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Official data from INPI

PLACA SEPARADORA DE CELULAS ELETROQUIMICAS,PROCESSO PARA MANUFATURAR PLACA SEPARADORA DE CELULAS DE COMBUSTIVEL ELETROQUIMICAS E CELULA DE COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8506263

Type

Invention Patent

Filing

12/24/1984

Publication

08/26/1986

Progress at the INPI

  1. Filing12/24/84
  2. Publication08/26/86
  3. Examination06/28/88
  4. Allowance
  5. Grant
  6. In force

Published on 08/26/1986, 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

UNITED TECHNOLOGIES CORP [US]

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Inventors

S. J. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Retificação

#15.3

10/16/1990

RPI 1037

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