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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM HÉLICE PARA VENTILADOR

Em AnáliseUtility Model

Application data

Number

MU6602194

Type

Utility Model

Filing

11/18/1986

Publication

07/21/1987

Progress at the INPI

  1. Filing11/18/86
  2. Publication07/21/87
  3. Examination12/15/87
  4. Allowance08/20/91
  5. Grant05/26/92
  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.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tufão - Ventiladores e Exaustores Ltda

ES, BR

Inventors

J. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/15/1987

RPI 895

Solicitação de exame não realizada

#4.2

09/08/1987

RPI 881

Publicação antecipada

#3.2

07/21/1987

RPI 874

Pedido de patente depositado

#2.1

05/05/1987

RPI 863

Carta-patente expirada

#21.1

Patente extinta em 18/11/1996

07/01/2008

RPI 1956

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/17/1991

RPI 1098

Deferimento

#9.1

08/20/1991

RPI 1081

14.4

03/26/1991

RPI 1060

14.7

03/26/1991

RPI 1060

14.1

03/19/1991

RPI 1059

Exigência - art. 36 da LPI

#6.1

04/24/1990

RPI 1015

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