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Official data from INPI

MOINHO CENTRÍFUGO, CÂMARA DE MOAGEM, E, PROCESSO DE MOAGEM DE PARTÍCULAS SÓLIDAS

DeferidaInvention Patent
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Application data

Number

PI8506855

Type

Invention Patent

Filing

07/23/1985

Publication

09/23/1986
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Progress at the INPI

  1. Filing07/23/85
  2. Publication09/23/86
  3. Examination06/30/87
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Research And Development Pty Limited

AU

Inventors

C. W. (pessoa física)

AU

J. B. (pessoa física)

AU

W. R. (pessoa física)

AU

Technical data

IPC Classification

B02C 17/14

Priority claims

AU

PG 6185 · 07/24/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

14.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Notificação de entrada na fase nacional - PCT

#1.3

09/23/1986

RPI 831

Carta-patente expirada

#21.1

Patente extinta em 23/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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