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Official data from INPI

VALVULA PNEUMATICA DE BLOQUEIO COM REARME

ConcedidaUtility Model

Application data

Number

MU6400770

Type

Utility Model

Filing

05/18/1984

Publication

10/02/1984

Progress at the INPI

  1. Filing05/18/84
  2. Publication10/02/84
  3. Examination01/22/85
  4. Allowance06/23/87
  5. Grant11/24/87
  6. Terminated03/10/92

The patent was granted on 11/24/1987 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARIA IGNEZ PEREIRA [BR]

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação antecipada

#3.2

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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