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Official data from INPI

CAMARA DE COMBUSTAO PARA COMBUSTAO PULSANTE

Em AnáliseInvention Patent

Application data

Number

PI8108731

Type

Invention Patent

Filing

08/12/1980

Publication

06/22/1982

Progress at the INPI

  1. Filing08/12/80
  2. Publication06/22/82
  3. Examination04/10/84
  4. Allowance06/18/85
  5. Grant12/31/85
  6. Terminated05/24/88

The patent was granted on 12/31/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARECK BV [NL]

Inventors

O. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/01/1985

RPI 780

Deferimento

#9.1

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

04/10/1984

RPI 703

Notificação de entrada na fase nacional - PCT

#1.3

06/22/1982

RPI 609

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