(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO E APARELHO PARA A DETERMINACAO DOS PARAMETROS DE DIRECAO DE UM POCO DE EXPLORACAO CONTINUA

ConcedidaInvention Patent

Application data

Number

PI8006088

Type

Invention Patent

Filing

09/27/1979

Publication

-

Progress at the INPI

  1. Filing09/27/79
  2. Publication
  3. Examination03/16/82
  4. Allowance03/01/83
  5. Grant07/26/83
  6. Terminated02/04/92

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

09/28/1982

RPI 623

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

Solicitação de exame não realizada

#4.2

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.