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Official data from INPI

EQUIPAMENTO PARA AVALIAÇÃO DE MATERIAIS E/OU INIBIDORES DE CORROSÃO EM POÇOS DE PETRÓLEO.

Em AnáliseInvention Patent

Application data

Number

PI8604271

Type

Invention Patent

Filing

09/05/1986

Publication

05/03/1988

Progress at the INPI

  1. Filing09/05/86
  2. Publication05/03/88
  3. Examination09/26/89
  4. Allowance11/27/90
  5. Abandoned
  6. In force

The application was allowed on 11/27/1990 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

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Inventors

F. M. (pessoa física)

BR

M. N. (pessoa física)

BR

S. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/26/1989

RPI 988

Publicação do pedido de patente

#3.1

05/03/1988

RPI 915

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Arquivamento - Art. 38 §2° da LPI

#11.4

09/29/1992

RPI 1139

Republicação - classificação IPC

#15.11

07/23/1991

RPI 1077

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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