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Official data from INPI

PLACA DE APOIO PARA TRILHOS FERROVIÁRIOS.

Em AnáliseUtility Model

Application data

Number

MU5901147

Type

Utility Model

Filing

08/24/1979

Publication

-

Progress at the INPI

  1. Filing08/24/79
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant10/29/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 05/31/1988. 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).

201

05/31/1988

RPI 919

Pedido de licença voluntária

#17.1

12/15/1987

RPI 895

20.4

10/20/1987

RPI 887

Pedido de licença compulsória

#20.1

10/13/1987

RPI 886

20.4

10/06/1987

RPI 885

Concessão da patente

#16.1

10/29/1986

RPI 836

110

06/24/1986

RPI 818

Recurso

#12.1

02/22/1983

RPI 644

Deferimento

#9.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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