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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM DUTO PARA VENTILAÇÃO

DeferidaUtility Model

Application data

Number

MU6600374

Type

Utility Model

Filing

03/19/1986

Publication

06/24/1986

Progress at the INPI

  1. Filing03/19/86
  2. Publication06/24/86
  3. Examination08/19/86
  4. Allowance08/29/89
  5. Grant04/24/90
  6. Terminated10/10/95

The patent was granted on 04/24/1990 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Yasuo Yokohama, brasileiro, industrial

SP, BR

Inventors

Y. I. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação antecipada

#3.2

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

06/17/1986

RPI 817

Anuidade - prazo legal encerrado

#18.2

10/10/1995

RPI 1297

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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