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Official data from INPI

PROCESSO PARA A OBTENCAO DE GAS A PARTIR DE COMBUSTIVEIS SOLIDOS E DISPOSITIVO PARA A EXECUCAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7705916

Type

Invention Patent

Filing

09/07/1976

Publication

-

Progress at the INPI

  1. Filing09/07/76
  2. Publication
  3. Examination
  4. Allowance11/29/83
  5. Grant05/29/84
  6. Terminated12/15/87

The patent was granted on 05/29/1984 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. V. (pessoa física)

Inventors

B. K. (pessoa física)

F. W. (pessoa física)

K. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

14.1

06/21/1983

RPI 661

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

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