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Official data from INPI

PROCESSO PARA CONDICIONAR UM ELETRODO POROSO DE DIFUSÃO DE GÁS; ELETRODO POROSO CONSUMIDOR DE HIDROGÊNIO; BATERIA DE HIDROGÊNIO-METAL; PROCESSO DE EXTRAÇÃO DE METAL POR VIA ELETROLÍTICA; PROCESSO PARA PRODUÇÃO CÁUSTICO PELA ELETRÓLISE DE UM SAL DE SÓDIO.

ArquivadaInvention Patent

Application data

Number

PI8304721

Type

Invention Patent

Filing

08/31/1983

Publication

04/10/1984

Progress at the INPI

  1. Filing08/31/83
  2. Publication04/10/84
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/31/1983 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eltech Systems Limited.

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

GB

8224974 · 09/02/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/16/1986

RPI 830

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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