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Official data from INPI

PROCESSO E DISPOSITIVO PARA A SUPRESSÃO DE PERTUBAÇÕES MAGNÉTICAS EM CUBAS DE ELETRÓLISE DE INTENSIDADE MUITO ALTA COLOCADAS TRANSVERSALMENTE.

ConcedidaInvention Patent

Application data

Number

PI8008907

Type

Invention Patent

Filing

11/04/1980

Publication

-

Progress at the INPI

  1. Filing11/04/80
  2. Publication
  3. Examination10/18/83
  4. Allowance03/31/87
  5. Grant09/29/87
  6. In force11/04/00

The patent was granted on 09/29/1987 and is in force until 11/04/2000. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/04/2000

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Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

H. P. (pessoa física)

K. M. (pessoa física)

L. B. (pessoa física)

M. P. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 28132 · 11/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

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