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Official data from INPI

PROCESSO PARA PREPARAR UMA COMPOSIÇÃO EXPLOSIVA E COMPOSIÇÃO EXPLOSIVA

Prazo de SigiloInvention Patent
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Application data

Number

PI8902412

Type

Invention Patent

Filing

05/26/1989

Publication

01/16/1990
View on INPI

Progress at the INPI

  1. Filing05/26/89
  2. Publication01/16/90
  3. Examination11/06/90
  4. Allowance03/19/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Submarine And Surface Blasters Pty Limited

AU

Inventors

K. W. (pessoa física)

AU

Technical data

IPC Classification

C06B 23/00

Priority claims

AU

PI 8506 · 05/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 26/05/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

08/08/1995

RPI 1288

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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