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Official data from INPI

PROCESSO E EQUIPAMENTO PARA COLOCAÇÃO E RETIRADA DE FERRAMENTA EM POÇOS DE PETRÓLEO OU GÁS NATURAL

Prazo de SigiloInvention Patent

Application data

Number

PI8806465

Type

Invention Patent

Filing

11/25/1988

Publication

07/31/1990

Progress at the INPI

Under appeal
  1. Filing11/25/88
  2. Publication07/31/90
  3. Examination11/27/90
  4. Refused05/03/94
  5. Grant
  6. In force

The application was refused by the INPI on 05/03/1994. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NPACT-Operações de Produção de Petroleo Ltda

BA, BR

Inventors

C. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Indeferimento

#9.2

05/03/1994

RPI 1222

Conhecimento de parecer técnico

#7.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

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