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Official data from INPI

PROCESSO PARA A FLOTAÇÃO SELETIVA DE MINERAIS DE FÓSFORO

ArquivadaInvention Patent

Application data

Number

PI9000109

Type

Invention Patent

Filing

01/12/1990

Publication

10/23/1990

Progress at the INPI

  1. Filing01/12/90
  2. Publication10/23/90
  3. Abandoned03/02/93
  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: 01/02/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

H. M. (pessoa física)

K. B. (pessoa física)

DE

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 39 00 827.4 · 01/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/02/1996

RPI 1309

6.2

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

03/02/1993

RPI 1161

Publicação do pedido de patente

#3.1

10/23/1990

RPI 1038

Pedido de patente depositado

#2.1

04/24/1990

RPI 1015

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