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Official data from INPI

IGNICAO POR LANCA-CHAMAS EM MOTOR A COMBUSTAO COMBINADA COM A RECIRCULACAO DE GASES DE ADMISSAO

Arquivada/ExtintaInvention Patent

Application data

Number

PI7907916

Type

Invention Patent

Filing

12/05/1979

Publication

-

Progress at the INPI

  1. Filing12/05/79
  2. Publication
  3. Examination01/04/83
  4. Allowance07/19/83
  5. Grant02/28/84
  6. Terminated05/17/88

The patent was granted on 02/28/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. U. (pessoa física)

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Extinção — restauração

#21.2

06/14/1988

RPI 921

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

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