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Official data from INPI

ELETRODO DE CARBONO PARA PILHA A COMBUSTÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI8405014

Type

Invention Patent

Filing

10/04/1984

Publication

05/13/1986

Progress at the INPI

Technical opinion to answer
  1. Filing10/04/84
  2. Publication05/13/86
  3. Examination03/15/88
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. U. (pessoa física)

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Inventors

A. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Alteração de numeração

#15.1

08/21/1990

RPI 1029

Conhecimento de parecer técnico

#7.1

05/15/1990

RPI 1018

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