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Official data from INPI

MÉTODO DE AQUECIMENTO DE FLUÍDOS DIVERSOS POR IMPEDÂNCIA

Em AnáliseInvention Patent

Application data

Number

PI8405240

Type

Invention Patent

Filing

10/17/1984

Publication

05/27/1986

Progress at the INPI

Under appeal
  1. Filing10/17/84
  2. Publication05/27/86
  3. Examination08/19/86
  4. Refused03/13/90
  5. Grant
  6. In force

The application was refused by the INPI on 03/13/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mangels Industrial S/A

SP, BR

See this company's full portfolio

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Indeferimento

#9.2

03/13/1990

RPI 1009

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