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Official data from INPI

Válvula acionável eletromagneticamente, em especial válvula injetora de combustível.

ConcedidaInvention Patent

Application data

Number

PI8206399

Type

Invention Patent

Filing

11/04/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/04/82
  2. Publication09/27/83
  3. Examination12/24/85
  4. Allowance10/29/86
  5. Grant07/28/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosh Gmbh

DE

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Inventors

R. K. (pessoa física)

R. S. (pessoa física)

U. H. (pessoa física)

W. H. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 43 848.2 · 11/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

Patente extinta em 04/11/97

07/01/2008

RPI 1956

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