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Official data from INPI

CONJUNTO DE RODA E PALHETAS PARA VENTILADOR

Em AnáliseUtility Model
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Application data

Number

MU6602057

Type

Utility Model

Filing

10/29/1986

Publication

05/31/1988
View on INPI

Progress at the INPI

  1. Filing10/29/86
  2. Publication05/31/88
  3. Examination09/12/89
  4. Allowance10/09/90
  5. Grant02/26/91
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J.A. Ventilação Indústria e Comércio Ltda

RJ, BR

Inventors

J. A. (pessoa física)

BR

Technical data

IPC Classification

F24F 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/12/1989

RPI 986

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 29/10/1996

07/01/2008

RPI 1956

Cessão de direito de exploração

#22.1

05/26/1992

RPI 1121

Concessão da patente

#16.1

02/26/1991

RPI 1056

Deferimento

#9.1

10/09/1990

RPI 1036

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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