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Official data from INPI

PROCESSO PARA MANTER FERRO ESTABILIZADO EM UM SISTEMA AQUOSO QUE CONTÉM FERRO SOLÚVEL E PROCESSO PARA INIBIR A PRECIPITAÇÃO DE SAIS FORMADORES DE INCRUSTAÇÃO

PublicadaInvention Patent

Application data

Number

PI8605395

Type

Invention Patent

Filing

10/31/1986

Publication

08/11/1987

Progress at the INPI

Under appeal
  1. Filing10/31/86
  2. Publication08/11/87
  3. Examination01/23/90
  4. Refused03/16/93
  5. Grant
  6. In force

The application was refused by the INPI on 03/16/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

See this company's full portfolio

Inventors

A. Z. (pessoa física)

M. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/11/1987

RPI 877

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Indeferimento

#9.2

03/16/1993

RPI 1163

Conhecimento de parecer técnico

#7.1

02/25/1992

RPI 1108

6.2

08/07/1990

RPI 1027

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

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