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Official data from INPI

DISPOSITIVOS PARA CONTROLE DE VAZÃO

DeferidaUtility Model

Application data

Number

MU6600143

Type

Utility Model

Filing

01/23/1986

Publication

09/22/1987

Progress at the INPI

  1. Filing01/23/86
  2. Publication09/22/87
  3. Examination10/11/88
  4. Allowance08/22/89
  5. Grant06/26/90
  6. Terminated10/10/95

The patent was granted on 06/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brasilit S/A

SP, BR

Inventors

M. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

09/22/1987

RPI 883

Pedido de patente depositado

#2.1

08/19/1986

RPI 826

Anuidade - prazo legal encerrado

#18.2

10/10/1995

RPI 1297

Concessão da patente

#16.1

06/26/1990

RPI 1024

14.1

03/20/1990

RPI 1010

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