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Official data from INPI

MATERIAL DE REVESTIMENTO TIPO CIMENTO, ELEMENTO DE METAL TENDO UM ELEMENTO PROTETOR DE CORROSÃO, TUBULAÇÃO SUBMARINA, PROCESSO PARA APLICAR UM REVESTIMENTO E PROCESSO PARA PROTEGER UM ELEMENTO DE METAL.

ArquivadaInvention Patent
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Application data

Number

PI8103578

Type

Invention Patent

Filing

06/05/1981

Publication

03/02/1982
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Progress at the INPI

  1. Filing06/05/81
  2. Publication03/02/82
  3. Abandoned02/21/84
  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: 05/21/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Frc Composites Limited.

Inventors

K. E. (pessoa física)

R. M. (pessoa física)

Technical data

IPC Classification

B28B 19/00F16L 58/06

Priority claims

CA

353,491 · 06/06/1980

CA

370,296 · 02/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 31/00; B28B 21/92; F16L 57/00.

03/27/2018

RPI 2464

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