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Official data from INPI

COMPOSICAO DE REVESTIMENTO LUBRIFICANTE ACIDA AQUOSA E PROCESSO DE TRATAMENTO DE SUPERFICIES METALICAS

DeferidaInvention Patent

Application data

Number

PI8004943

Type

Invention Patent

Filing

08/07/1979

Publication

-

Progress at the INPI

Awaiting grant fee payment
  1. Filing08/07/79
  2. Publication
  3. Examination03/16/82
  4. Allowance12/29/87
  5. Grant
  6. In force

The application was allowed by the INPI on 12/29/1987. The grant of the letters patent is being processed.

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Latest action published by the INPI: 07/12/1988. 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

07/12/1988

RPI 925

Deferimento

#9.1

12/29/1987

RPI 897

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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