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Official data from INPI

VÁLVULA ACIONÁVEL ELETROMAGNETICAMENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906147

Type

Invention Patent

Filing

12/04/1989

Publication

07/31/1990

Progress at the INPI

  1. Filing12/04/89
  2. Publication07/31/90
  3. Examination09/29/92
  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

Robert Bosch GmbH

DE

See this company's full portfolio

Inventors

D. K. (pessoa física)

DE

D. G. (pessoa física)

DE

P. R. (pessoa física)

DE

S. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 41 010.9 · 12/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/12/2004

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

09/29/1992

RPI 1139

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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