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Official data from INPI

DISPOSITIVO PARA O TRATAMENTO DO AR PARA MOTORES OPERANDO COM BASE NA QUEIMA DE COMBUSTIVEL

ConcedidaInvention Patent

Application data

Number

PI7909046

Type

Invention Patent

Filing

11/20/1979

Publication

-

Progress at the INPI

  1. Filing11/20/79
  2. Publication
  3. Examination05/17/83
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Terminated09/25/90

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. J. (pessoa física)

Inventors

Y. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

11/29/1983

RPI 684

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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