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Official data from INPI

PROCESSO E EQUIPAMENTO PARA PISTONEIO EM POÇO DE PETRÓLEO, GÁS E CORRELATO

IndeferidaInvention Patent

Application data

Number

PI9003090

Type

Invention Patent

Filing

06/26/1990

Publication

01/07/1992

Progress at the INPI

Under appeal
  1. Filing06/26/90
  2. Publication01/07/92
  3. Examination06/30/92
  4. Refused03/01/95
  5. Grant
  6. In force

The application was refused by the INPI on 03/01/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/01/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NPACT - Operações de Produção de Petróleo Ltda

BA, BR

Inventors

C. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/01/1995

RPI 1265

Conhecimento de parecer técnico

#7.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Publicação do pedido de patente

#3.1

01/07/1992

RPI 1101

Pedido de patente depositado

#2.1

12/18/1990

RPI 1046

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