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Official data from INPI

APARELHO PARA E PROCESSO DE MEDIR A MISTURA RELATIVA DE PETRÓLEO E ÁGUA EM UM FURO DE SONDAGEM DE POÇO

ArquivadaInvention Patent

Application data

Number

PI9102511

Type

Invention Patent

Filing

06/18/1991

Publication

01/21/1992

Progress at the INPI

  1. Filing06/18/91
  2. Publication01/21/92
  3. Examination05/25/93
  4. Allowance07/11/95
  5. Abandoned
  6. In force

The application was allowed on 07/11/1995 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: 07/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Logging Services, Inc.

US

Inventors

P. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

540,059 · 06/19/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/09/1996

RPI 1336

Notificação para pagamento de retribuição

#13.1

11/21/1995

RPI 1303

Deferimento

#9.1

07/11/1995

RPI 1284

Solicitação de exame técnico

#4.1

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

01/21/1992

RPI 1103

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