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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA, COM REAÇÃO MISTA E SIMPLES AÇÃO

PublicadaInvention Patent

Application data

Number

PI8705915

Type

Invention Patent

Filing

11/04/1987

Publication

05/30/1989

Progress at the INPI

  1. Filing11/04/87
  2. Publication05/30/89
  3. Examination07/30/91
  4. Allowance04/13/93
  5. Grant10/26/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. M. (pessoa física)

MG, BR

Inventors

M. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 04/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Exigência - art. 36 da LPI

#6.1

08/04/1992

RPI 1131

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

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