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Official data from INPI

MÉTODO PARA TRATAMENTO DE MATERIAIS DE REFUGO E FORNO PARA TRATAMENTO DE REFUGOS

Em AnáliseInvention Patent

Application data

Number

PI8707493

Type

Invention Patent

Filing

10/02/1987

Publication

11/01/1988

Progress at the INPI

  1. Filing10/02/87
  2. Publication11/01/88
  3. Examination04/04/89
  4. Allowance04/26/94
  5. Grant01/31/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neutralysis Industries Pty LTD

AU

Inventors

H. W. (pessoa física)

AU

K. W. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PH 8282 · 10/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/04/1989

RPI 963

Notificação de entrada na fase nacional - PCT

#1.3

11/01/1988

RPI 941

Carta-patente expirada

#21.1

Patente extinta em 02/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

08/23/1994

RPI 1238

Deferimento

#9.1

04/26/1994

RPI 1221

Exigência - art. 36 da LPI

#6.1

10/26/1993

RPI 1195

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