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Official data from INPI

APARELHO PARA ABRIR UM POÇO DIRIGIDO PARA CIMA EM ROCHA

Arquivada/ExtintaInvention PatentPCT · SE1988000441

Application data

Number

PI8807675

Type

Invention Patent

Filing

08/29/1988

Publication

07/31/1990

PCT

SE1988000441

Progress at the INPI

  1. Filing08/29/88
  2. Publication07/31/90
  3. Examination06/11/91
  4. Allowance08/24/93
  5. Grant04/26/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gruvprodukter I Gallivare Ab

SE

Gruvprodukter I Gallivare Ab, companhia sueca

SE

Inventors

I. N. (pessoa física)

SE

L. A. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8703370-0 · 08/31/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

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