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Official data from INPI

PROCESSO PARA REPARO DE ESTRUTURA DE CONCRETO DANIFICADA POR CORROSÃO

ArquivadaInvention Patent

Application data

Number

PI8202092

Type

Invention Patent

Filing

04/13/1982

Publication

03/22/1983

Progress at the INPI

  1. Filing04/13/82
  2. Publication03/22/83
  3. Abandoned03/12/85
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.r. Grace & Co.

US

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Inventors

A. R. (pessoa física)

US

H. T. (pessoa física)

US

J. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

254.236 · 04/15/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

03/22/1983

RPI 648

Pedido de patente depositado

#2.1

06/01/1982

RPI 606

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