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Official data from INPI

PROCESSO PARA CONVERSAO DE CARVAO PARA HIDROCARBONETOS GASOSOS E DESTILADOS VOLATEIS E PROCESSO CONTINUO PARA O MESMO FIM

ConcedidaInvention Patent

Application data

Number

PI8004910

Type

Invention Patent

Filing

08/06/1979

Publication

-

Progress at the INPI

  1. Filing08/06/79
  2. Publication
  3. Examination07/13/82
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Terminated02/04/92

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

S. R. (pessoa física)

Inventors

S. R. (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

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

6.2

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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