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Official data from INPI

APERFEICOAMENTOS NA ACAO DE FRENAGEM DE MOTORES DIESEL

Em AnáliseInvention Patent

Application data

Number

PI8009046

Type

Invention Patent

Filing

10/10/1979

Publication

01/05/1982

Progress at the INPI

  1. Filing10/10/79
  2. Publication01/05/82
  3. Examination05/31/83
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Terminated07/12/88

The patent was granted on 08/28/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORDSTJERNAN AB [SE]

WAERTSILAE OY AB [SE]

Inventors

H. H. (pessoa física)

O. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

05/31/1983

RPI 658

Notificação de entrada na fase nacional - PCT

#1.3

01/05/1982

RPI 585

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