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Official data from INPI

DISPOSITIVO PARA ESTIRAR TRILHOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101758

Type

Invention Patent

Filing

04/30/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/30/91
  2. Publication12/10/91
  3. Examination06/09/92
  4. Allowance05/11/99
  5. Grant11/16/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H.

AT

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Inventors

F. P. (pessoa física)

AT

J. T. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AU

A 999/90 · 05/02/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/16/1999

RPI 1506

Deferimento

#9.1

05/11/1999

RPI 1479

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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