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Official data from INPI

APARELHO ELÉTRICO DE VENTILAÇÃO

PublicadaUtility Model

Application data

Number

MU6800091

Type

Utility Model

Filing

01/18/1988

Publication

09/12/1989

Progress at the INPI

  1. Filing01/18/88
  2. Publication09/12/89
  3. Examination05/22/90
  4. Allowance10/13/93
  5. Grant06/28/94
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. A. (pessoa física)

KR

Inventors

S. A. (pessoa física)

KR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 18/01/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

03/08/1994

RPI 1214

Deferimento

#9.1

10/13/1993

RPI 1193

14.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

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