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Official data from INPI

VENTILADOR DE BAIXO RUÍDO.

Em AnáliseUtility Model

Application data

Number

MU6200404

Type

Utility Model

Filing

03/29/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing03/29/82
  2. Publication11/08/83
  3. Examination10/15/85
  4. Allowance10/06/87
  5. Grant04/26/88
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arno Rotron Equipamento Elétricos Ltda

SP, BR

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/28/1989

RPI 997

Concessão da patente

#16.1

04/26/1988

RPI 914

Deferimento

#9.1

10/06/1987

RPI 885

Exigência - art. 36 da LPI

#6.1

09/16/1986

RPI 830

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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