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Official data from INPI

COMPOSICOES DE REVESTIMENTO PARA INIBIR A CORROSAO DE SUPERFICIES DE METAL

ArquivadaInvention Patent
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Application data

Number

PI8101959

Type

Invention Patent

Filing

04/03/1980

Publication

10/06/1981
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Progress at the INPI

  1. Filing04/03/80
  2. Publication10/06/81
  3. Abandoned10/25/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP [US]

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Inventors

B. P. (pessoa física)

D. C. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

C03C 8/16C09D 5/08C23F 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

6.2

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

14.1

11/10/1981

RPI 577

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

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