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Official data from INPI

PROCESSO PARA A OPERAÇÃO DE UM MOTOR DE COMBUSTÃO INTERNA

PublicadaInvention Patent

Application data

Number

PI8901458

Type

Invention Patent

Filing

03/29/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing03/29/89
  2. Publication11/14/89
  3. Examination10/29/91
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fev Motorentechnik Gmbh & Co.Kg

DE

Inventors

G. S. (pessoa física)

DE

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 10 808.9 · 03/30/1988

DE

P 38 41 264.0 · 12/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Carta-patente expirada

#21.1

Patente extinta em 29/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

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