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Official data from INPI

VÁLVULA DE BLOQUEIO E REGULADORA DE FLUÍDOS

Em AnáliseInvention Patent

Application data

Number

PI8705204

Type

Invention Patent

Filing

09/22/1987

Publication

04/18/1989

Progress at the INPI

Under appeal
  1. Filing09/22/87
  2. Publication04/18/89
  3. Examination10/31/89
  4. Refused07/31/90
  5. Grant
  6. In force

The application was refused by the INPI on 07/31/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. V. (pessoa física)

SP, BR

Inventors

E. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Indeferimento

#9.2

07/31/1990

RPI 1026

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