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Official data from INPI

PROCESSO DE FRATURAMENTO DE ROCHAS OU DE MATERIAL SIMILAR

ArquivadaInvention PatentPCT · AU1991000479

Application data

Number

PI9107048

Type

Invention Patent

Filing

10/16/1991

Publication

09/21/1993

PCT

AU1991000479

Progress at the INPI

  1. Filing10/16/91
  2. Publication09/21/93
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/16/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/04/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. B. (pessoa física)

US

Inventors

H. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

599022 · 10/17/1990

Abstract

Processo de fraturar um material compacto duro tal como rocha ou concreto, tendo um furo pré-perfurado na área do material a ser fraturado que inclui a inserção de um bloco de material sólido no interior do furo até o fundo do mesmo, e golpear o bloco com uma força de impacto suficientemente grande para levar pelo menos uma parte superior do bloco a transferir o impacto para os lados do furo de maneira a fraturar o material circundante.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/04/1994

RPI 1244

Notificação de entrada na fase nacional - PCT

#1.3

09/21/1993

RPI 1190

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