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

PROCESSO E APARELHO PARA DETERMINACAO DE PROPRIEDADES FORMACOES TERRESTRES QUE CIRCUNDAM UM FURO DE SONDAGEM

Em AnáliseInvention Patent

Application data

Number

PI7806054

Type

Invention Patent

Filing

09/21/1977

Publication

-

Progress at the INPI

  1. Filing09/21/77
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant05/31/83
  6. Terminated10/03/89

The patent was granted on 05/31/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHLUMBERGER SURENCO SA

See this company's full portfolio

Inventors

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

05/31/1983

RPI 658

11.8

02/22/1983

RPI 644

Arquivamento - Art. 38 §2° da LPI

#11.4

12/28/1982

RPI 636

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Related

Same category

Patent monitoring

Track this patent in real time.

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