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Official data from INPI

SISTEMA DE CÉLULA COMBUSTÍVEL E PROCESSO PARA UTILIZAÇÃO COM UM SISTEMA DE CÉLULA COMBUSTÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI8502694

Type

Invention Patent

Filing

06/05/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing06/05/85
  2. Publication02/12/86
  3. Examination04/05/88
  4. Allowance
  5. Grant
  6. In force

Published on 02/12/1986, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

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Inventors

H. M. (pessoa física)

US

M. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

167.900 · 06/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

08/27/1985

RPI 775

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