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Official data from INPI

CAMISA DE MOTOR DE COMBUSTÃO INTERNA OBTIDA POR METALURGIA DO PÓ A PARTIR DE GRÃOS DE LIGAS DE ALUMÍNIO-SILÍCIO, DE SILÍCIO E EVENTUALMENTE DE OUTROS ELEME NTOS, E, PROCESSO DE SUA OBTENÇÃO

ConcedidaInvention Patent

Application data

Number

PI8307381

Type

Invention Patent

Filing

06/15/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing06/15/83
  2. Publication07/17/84
  3. Examination10/23/84
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Terminated05/30/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

J. M. (pessoa física)

N. H. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

82.11032 · 06/17/1982

FR

82.20982 · 12/09/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Notificação de entrada na fase nacional - PCT

#1.3

07/17/1984

RPI 717

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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