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Official data from INPI

Válvula de pressão.

ConcedidaInvention Patent

Application data

Number

PI8502199

Type

Invention Patent

Filing

05/09/1985

Publication

01/07/1986

Progress at the INPI

  1. Filing05/09/85
  2. Publication01/07/86
  3. Examination02/17/88
  4. Allowance05/02/89
  5. Grant09/26/89
  6. Terminated05/21/96

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GMBH.

DE

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Inventors

P. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 34 17 210.6 · 05/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

05/02/1989

RPI 967

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Solicitação de exame técnico

#4.1

02/17/1988

RPI 904

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

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