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Official data from INPI

VÁLVULA DE INJEÇÃO DE COMBUSTÍVEL

Arquivada/ExtintaInvention PatentPCT · DE1987000243

Application data

Number

PI8707711

Type

Invention Patent

Filing

05/27/1987

Publication

10/31/1989

PCT

DE1987000243

Progress at the INPI

  1. Filing05/27/87
  2. Publication10/31/89
  3. Examination03/01/90
  4. Allowance09/17/91
  5. Grant08/25/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GmbH

DE

See this company's full portfolio

Inventors

M. K. (pessoa física)

S. W. (pessoa física)

W. H. (pessoa física)

DE

W. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3618413.6 · 05/31/1986

DE

P3710467.5 · 03/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 27/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

01/21/1992

RPI 1103

Deferimento

#9.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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