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Official data from INPI

CONJUNTO DE BOBINAS PARA UM SISTEMA DE DIAGRAFIA DE RESISTIVIDADE, SISTEMA DE FORMAÇÃO DE SINAIS E PROCESSO DE DETECTAR O FLUXO DE CORRENTE

ArquivadaInvention Patent

Application data

Number

PI9102883

Type

Invention Patent

Filing

07/09/1991

Publication

02/11/1992

Progress at the INPI

  1. Filing07/09/91
  2. Publication02/11/92
  3. Examination07/06/93
  4. Allowance06/13/95
  5. Abandoned
  6. In force

The application was allowed on 06/13/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/03/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Logging Services, Inc.

US

Inventors

P. S. (pessoa física)

US

R. C. (pessoa física)

US

S. S. (pessoa física)

US

S. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/550,842 · 07/10/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

10/24/1995

RPI 1299

Deferimento

#9.1

06/13/1995

RPI 1280

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

02/11/1992

RPI 1106

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