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Official data from INPI

PROCESSO PARA A PURIFICAÇÃO DE ELETRÓLITO DE ZINCO.

PublicadaInvention Patent

Application data

Number

PI8701889

Type

Invention Patent

Filing

04/21/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing04/21/87
  2. Publication02/02/88
  3. Abandoned08/28/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cominco Ltd

CA

Inventors

D. B. (pessoa física)

D. B. (pessoa física)

Technical data

IPC Classification

Priority claims

CA

507.254 · 04/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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