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Official data from INPI

MECANISMO DE VENTILADOR DE TETO

Arquivada/ExtintaUtility Model

Application data

Number

MU7002638

Type

Utility Model

Filing

11/28/1990

Publication

07/21/1992

Progress at the INPI

  1. Filing11/28/90
  2. Publication07/21/92
  3. Examination08/23/94
  4. Allowance11/28/95
  5. Grant07/30/96
  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: 07/01/2008. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

07/30/1996

RPI 1339

Deferimento

#9.1

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

08/23/1994

RPI 1238

Publicação do pedido de patente

#3.1

07/21/1992

RPI 1129

Pedido de patente depositado

#2.1

07/02/1991

RPI 1074

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