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Official data from INPI

PLACA DE APOIO DUPLA PARA TRILHOS FERROVIÁRIOS.

Em AnáliseUtility Model

Application data

Number

MU5901146

Type

Utility Model

Filing

08/24/1979

Publication

-

Progress at the INPI

  1. Filing08/24/79
  2. Publication
  3. Examination
  4. Allowance09/06/83
  5. Grant12/27/83
  6. Terminated06/21/88

The patent was granted on 12/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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

Applicants and inventors

Applicants

Fundição Tupy S/A

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Inventors

M. S. (pessoa física)

M. W. (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

12/27/1983

RPI 688

100

09/06/1983

RPI 672

Petição de recurso

#12.2

01/11/1983

RPI 638

Indeferimento

#9.2

08/03/1982

RPI 615

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