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Official data from INPI

AGREGADO DE BALASTRAGEM PARA MÁQUINAS DE BALASTRAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101572

Type

Invention Patent

Filing

04/18/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/18/91
  2. Publication12/10/91
  3. Examination08/11/92
  4. Allowance11/25/97
  5. Grant02/23/99
  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

See this company's full portfolio

Inventors

J. T. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 930/90 · 04/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

11/25/1997

RPI 1408

Conhecimento de parecer técnico

#7.1

01/21/1997

RPI 1364

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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