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Official data from INPI

PROCESSO DE TRATAMENTO, POR SILICOPIROHIDRÓLISE, DE MATERIAIS DE REVESTIMENTO USADOS PARTICULARMENTE PROVENIENTES DE CUBAS DE ELETRÓLISE HALL-HÉROULT

PublicadaInvention Patent

Application data

Number

PI8802626

Type

Invention Patent

Filing

05/31/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing05/31/88
  2. Publication12/27/88
  3. Abandoned10/16/90
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

M. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 08012 · 06/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

11/08/1994

RPI 1249

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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