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Official data from INPI

COLETOR DE GASES PARA TURBINAMENTO DE MOTORES DIESEL

PublicadaUtility Model
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Application data

Number

MU6800295

Type

Utility Model

Filing

02/12/1988

Publication

09/26/1989
View on INPI

Progress at the INPI

  1. Filing02/12/88
  2. Publication09/26/89
  3. Examination08/14/90
  4. Allowance06/01/93
  5. Grant05/31/94
  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.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alpha Fundições Gerais Ltda

SP, BR

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Inventors

M. D. (pessoa física)

BR

Technical data

IPC Classification

B60K 13/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/26/1989

RPI 988

Pedido de patente depositado

#2.1

06/14/1988

RPI 921

Carta-patente expirada

#21.1

Patente extinta em 12/02/1998

07/01/2008

RPI 1956

201

10/22/1996

RPI 1351

Pedido de licença voluntária

#17.1

06/27/1995

RPI 1282

Pedido de licença voluntária

#17.1

06/20/1995

RPI 1281

Concessão da patente

#16.1

05/31/1994

RPI 1226

Notificação para pagamento de retribuição

#13.1

10/13/1993

RPI 1193

Deferimento

#9.1

06/01/1993

RPI 1174

Pedido de certificado de adição de invenção

#5.1

12/26/1990

RPI 1047

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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