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Official data from INPI

†MBOLO MERGULHADOR ESFRIÁVEL PARA MOTORES DE COMBUSTÃO INTERNA

Arquivada/ExtintaInvention PatentPCT · EP1987000633

Application data

Number

PI8707917

Type

Invention Patent

Filing

10/24/1987

Publication

10/31/1989

PCT

EP1987000633

Progress at the INPI

  1. Filing10/24/87
  2. Publication10/31/89
  3. Examination06/26/90
  4. Allowance04/14/92
  5. Grant11/24/92
  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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle Gmbh

DE

See this company's full portfolio

Inventors

E. K. (pessoa física)

J. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3643039.0 · 12/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 24/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/15/1992

RPI 1137

Deferimento

#9.1

04/14/1992

RPI 1115

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

Pedido de certificado de adição de invenção

#5.1

10/30/1990

RPI 1039

Solicitação de exame técnico

#4.1

06/26/1990

RPI 1024

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