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Official data from INPI

SISTEMA E PROCESSO PARA PERFURACAO DIRECIONAL CONTROLADA DE UM FURO DE SONDAGEM

Em AnáliseInvention Patent

Application data

Number

PI8604960

Type

Invention Patent

Filing

10/11/1985

Publication

07/14/1987

Progress at the INPI

  1. Filing10/11/85
  2. Publication07/14/87
  3. Examination09/22/87
  4. Allowance10/02/90
  5. Abandoned
  6. In force

The application was allowed on 10/02/1990 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: 09/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SMITH INTERNATIONAL [US]

Inventors

D. F. (pessoa física)

G. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

07/14/1987

RPI 873

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

6.2

01/09/1990

RPI 1001

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