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

PROCESSO E DISPOSITIVO PARA OBTENCAO DE UM REGISTRO DA PERIFERIA DE UMA SONDAGEM

ConcedidaInvention Patent

Application data

Number

PI8106218

Type

Invention Patent

Filing

09/30/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing09/30/80
  2. Publication06/15/82
  3. Examination07/10/84
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Terminated02/04/92

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV

Inventors

S. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

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.