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Official data from INPI

SISTEMA PARA AQUECIMENTO DA MISTURA ARCOMBUSTÍVEL, EM UM MOTOR DE COMBUSTÃO INTERNA.

ConcedidaInvention Patent

Application data

Number

PI7906991

Type

Invention Patent

Filing

10/29/1979

Publication

-

Progress at the INPI

  1. Filing10/29/79
  2. Publication
  3. Examination04/26/83
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Terminated01/28/92

The patent was granted on 06/26/1984 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Volkswagen do Brasil S/A

SP, BR

See this company's full portfolio

Inventors

C. F. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Notificação para pagamento de retribuição

#13.1

12/13/1983

RPI 686

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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