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Official data from INPI

†MBOLO DE IMERSÃO REFRIGERÁVEL PARA MOTORES DE COMBUSTÃO INTERNA

Arquivada/ExtintaInvention PatentPCT · EP1988000455

Application data

Number

PI8807519

Type

Invention Patent

Filing

05/21/1988

Publication

05/22/1990

PCT

EP1988000455

Progress at the INPI

  1. Filing05/21/88
  2. Publication05/22/90
  3. Examination03/19/91
  4. Allowance02/25/92
  5. Grant11/24/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle Gmbh

DE

See this company's full portfolio

Inventors

E. S. (pessoa física)

DE

T. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 17 767.2 · 05/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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