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Official data from INPI

SISTEMA DE QUEIMA DE COMBUSTÍVEL DE MOTOR DE COMBUSTÃO INTERNA COM INJEÇÃO DIRETA.

ConcedidaInvention Patent

Application data

Number

PI8307725

Type

Invention Patent

Filing

08/17/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing08/17/83
  2. Publication06/04/85
  3. Examination05/05/87
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated04/30/96

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cartepillar Inc.

US

Caterpillar Tractor Co.

US

Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

506.941 · 06/22/1983

US

PCT/83/01268 · 08/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

14.1

04/12/1988

RPI 912

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Notificação de entrada na fase nacional - PCT

#1.3

06/04/1985

RPI 763

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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