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Official data from INPI

CONTROLADOR DE PASSAGEM DE LIQUIDOS

Em AnáliseInvention Patent

Application data

Number

PI8601524

Type

Invention Patent

Filing

03/11/1986

Publication

11/03/1987

Progress at the INPI

Under appeal
  1. Filing03/11/86
  2. Publication11/03/87
  3. Examination04/26/88
  4. Refused07/24/90
  5. Grant
  6. In force

The application was refused by the INPI on 07/24/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LOURIVAL PAZ FILHO [BR]

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

11/03/1987

RPI 889

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Indeferimento

#9.2

07/24/1990

RPI 1025

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