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Official data from INPI

DISPOSITIVO PARA A FIXACAO DE TRILHOS EM DORMENTES TRANSVERSAIS E/OU LONGITUDINAIS PRINCIPALMENTE DORMENTES DE MADEIRA BEM COMO DEMAIS PONTOS DE APOIO DE TRILHOS DE TODA NATUREZA NA SUPERESTRUTURA FERROVIARIA

Em AnáliseInvention Patent

Application data

Number

PI8007454

Type

Invention Patent

Filing

11/14/1980

Publication

07/20/1982

Progress at the INPI

  1. Filing11/14/80
  2. Publication07/20/82
  3. Examination09/18/84
  4. Allowance01/07/86
  5. Grant07/29/86
  6. Terminated06/21/88

The patent was granted on 07/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RICHTBERG KARL KG [CH]

SCHWIHAG GES FOR EISENBAHNOBER [CH]

Inventors

H. A. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

07/29/1986

RPI 823

Deferimento

#9.1

01/07/1986

RPI 794

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

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