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Official data from INPI

PROCESSOS ELETROLITICOS APERFEICOADOS EMPREGANDO ANODOS DE OXIGENIO

Em AnáliseInvention Patent

Application data

Number

PI8501947

Type

Invention Patent

Filing

05/02/1984

Publication

12/24/1985

Progress at the INPI

Under appeal
  1. Filing05/02/84
  2. Publication12/24/85
  3. Examination03/08/88
  4. Refused06/25/91
  5. Grant
  6. In force

The application was refused by the INPI on 06/25/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO OHIO [US]

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Inventors

G. K. (pessoa física)

H. H. (pessoa física)

M. D. (pessoa física)

T. A. (pessoa física)

W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Indeferimento

#9.2

06/25/1991

RPI 1073

Conhecimento de parecer técnico

#7.1

08/28/1990

RPI 1030

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