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Official data from INPI

SISTEMA PARA CONTROLAR A EMISSÃO DE UM TUBO GERADOR DE NEUTRONS VEDADE E SISTEMA DE LOCALIZAÇÃO DE POÇOS.

Em AnáliseInvention Patent

Application data

Number

PI8003844

Type

Invention Patent

Filing

06/26/1980

Publication

-

Progress at the INPI

  1. Filing06/26/80
  2. Publication
  3. Examination04/26/83
  4. Allowance02/21/84
  5. Grant08/28/84
  6. Terminated09/26/89

The patent was granted on 08/28/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

See this company's full portfolio

Inventors

B. J. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

053,627 · 06/29/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

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