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Official data from INPI

PROCESSO PARA A PRODUCAO DE HIDROCARBONETOS HIDROGENADOS A PARTIR DE OLEO DE XISTO, XISTO PETROLIFERO BRUTO OU MATERIAL SEMELHANTE

ConcedidaInvention Patent

Application data

Number

PI8102313

Type

Invention Patent

Filing

01/05/1981

Publication

12/08/1981

Progress at the INPI

  1. Filing01/05/81
  2. Publication12/08/81
  3. Examination08/10/82
  4. Allowance06/05/84
  5. Grant12/26/84
  6. Terminated02/04/92

The patent was granted on 12/26/1984 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: 12/26/1984. 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

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Publicação do pedido de patente

#3.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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