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Official data from INPI

SISTEMA TRANSPORTADOR DE POÇO DE MINA E POÇO DE MINA

Arquivada/ExtintaInvention PatentPCT · GB1990000335

Application data

Number

PI9007189

Type

Invention Patent

Filing

03/05/1990

Publication

11/26/1991

PCT

GB1990000335

Progress at the INPI

  1. Filing03/05/90
  2. Publication11/26/91
  3. Examination10/20/92
  4. Allowance05/31/94
  5. Grant01/31/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alphatrad S.A.

CH

Lamprey Investment Holdings Limited

ZA

Inventors

M. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8904875.5 · 03/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2005

06/15/2010

RPI 2058

Pedido de licença compulsória

#20.1

04/16/1996

RPI 1324

20.7

04/09/1996

RPI 1323

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

14.1

04/20/1993

RPI 1168

Solicitação de exame técnico

#4.1

10/20/1992

RPI 1142

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1991

RPI 1095

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