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Official data from INPI

PROCESSO E DISPOSITIVO PARA A COMBUSTAO CONTINUA DE COMBUSTIVEIS

Em AnáliseInvention Patent

Application data

Number

PI7903002

Type

Invention Patent

Filing

05/16/1978

Publication

-

Progress at the INPI

  1. Filing05/16/78
  2. Publication
  3. Examination03/09/82
  4. Allowance05/31/83
  5. Grant02/28/84
  6. Terminated05/17/88

The patent was granted on 02/28/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PYROLYSE & PROZESSANLAGENTECH

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

02/28/1984

RPI 697

14.1

11/01/1983

RPI 680

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

10/26/1982

RPI 627

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

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