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Official data from INPI

VÁLVULA DE DISTRIBUIÇÃO E ROTOR ADAPTADO PARA USO EM VÁLVULA DE DISTRIBUIÇÃO DE INJEÇÃO DE COMBUSTÍVEL

ConcedidaInvention Patent

Application data

Number

PI8407291

Type

Invention Patent

Filing

05/09/1984

Publication

02/18/1986

Progress at the INPI

  1. Filing05/09/84
  2. Publication02/18/86
  3. Examination11/24/87
  4. Allowance10/04/88
  5. Grant09/26/89
  6. Terminated07/04/95

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.

Talk to a specialist

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

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

A. S. (pessoa física)

US

D. G. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

593.983 · 03/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

14.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1986

RPI 800

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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