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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM ACIONADOR PARA GRADE GIRATÓRIA DE CIRCULADOR DE AR

PublicadaUtility Model
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Application data

Number

MU6702596

Type

Utility Model

Filing

11/23/1987

Publication

07/11/1989
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Progress at the INPI

  1. Filing11/23/87
  2. Publication07/11/89
  3. Examination04/23/91
  4. Allowance11/03/93
  5. Grant05/31/94
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

F24F 13/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/11/1989

RPI 977

Pedido de patente depositado

#2.1

03/15/1988

RPI 908

Carta-patente expirada

#21.1

Patente extinta em 23/11/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/03/1993

RPI 1196

Exigência - art. 36 da LPI

#6.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

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