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Official data from INPI

PROCESSO PARA A MANUFATURA DE ELEMENTOS REFRATÁRIOS, ELEMENTOS REFRATÁRIO PREPARADOS POR ESTE PROCESSO E PAREDES REFRATÁRIAS CONSTRUÍDAS A PARTIR DOS ELEMENTOS REFRATÁRIOS

ArquivadaInvention Patent

Application data

Number

PI8300860

Type

Invention Patent

Filing

02/23/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/23/83
  2. Publication11/16/83
  3. Abandoned12/17/85
  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.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

G. M. (pessoa física)

M. I. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

8205580 · 02/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

02/28/1989

RPI 958

7.2

02/21/1989

RPI 957

Conhecimento de parecer técnico

#7.1

08/30/1988

RPI 932

6.2

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

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