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Official data from INPI

COMPOSICAO LUBRIFICANTE ACIDA AQUOSA E PROCESSO DE TRATAMENTO DE UMA SUPERFICIE METALICA LIMPA

Em AnáliseInvention Patent

Application data

Number

PI8004950

Type

Invention Patent

Filing

08/07/1979

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing08/07/79
  2. Publication
  3. Examination03/16/82
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXY METAL INDUSTRIES CORP

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/09/1988

RPI 903

Conhecimento de parecer técnico

#7.1

04/05/1983

RPI 650

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

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