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Official data from INPI

CONJUNTO DE INTERFIXAÇÃO DE GRADES PLÁSTICAS EM VENTILADOR

Arquivada/ExtintaUtility Model

Application data

Number

MU7002347

Type

Utility Model

Filing

10/29/1990

Publication

05/26/1992

Progress at the INPI

  1. Filing10/29/90
  2. Publication05/26/92
  3. Examination12/28/93
  4. Allowance08/23/94
  5. Grant01/31/95
  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: 03/27/2018. 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).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F24F 11/02; F24F 13/08.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 29/10/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

01/31/1995

RPI 1261

Deferimento

#9.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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