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Official data from INPI

PISTÃO MERGULHADOR LEVE PARA MOTORES DE COMBUSTÃO

Arquivada/ExtintaInvention PatentPCT · DE1989000745

Application data

Number

PI8907852

Type

Invention Patent

Filing

11/29/1989

Publication

10/08/1991

PCT

DE1989000745

Progress at the INPI

  1. Filing11/29/89
  2. Publication10/08/91
  3. Examination11/03/92
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mahle Gmbh

DE

See this company's full portfolio

Inventors

E. R. (pessoa física)

DE

J. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 43 761.9 · 12/24/1988

DE

P 38 43 866.6 · 12/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

11/03/1992

RPI 1144

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1991

RPI 1088

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