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Official data from INPI

Disposição de ferramentas para o calçamento, nivelamento e alinhamento lateral de uma via férrea.

ConcedidaInvention Patent

Application data

Number

PI8302892

Type

Invention Patent

Filing

05/27/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing05/27/83
  2. Publication04/17/84
  3. Examination07/29/86
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Franz Plasser Bahnbaumaschinen-Industrie-Gesellschaft m.b.h.

AT

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Inventors

T. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Republicação - classificação IPC

#15.11

08/18/1987

RPI 878

Deferimento

#9.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

Patente extinta em 27/05/98

07/01/2008

RPI 1956

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