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Official data from INPI

APARELHO PARA DETECTAR CURTO CIRCUITO EM VIAS FÉRREAS COM DORMENTES METÁLICOS ISOLADOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003208

Type

Invention Patent

Filing

07/06/1990

Publication

01/28/1992

Progress at the INPI

  1. Filing07/06/90
  2. Publication01/28/92
  3. Abandoned05/04/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/03/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

RJ, BR

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Inventors

H. N. (pessoa física)

BR

R. C. (pessoa física)

BR

W. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente à 7ª, 8ª, 9ª, 10ª anuidades.

10/03/2000

RPI 1552

8.1

Referente a 7ª, 8ª e 9ª anuidade

10/05/1999

RPI 1500

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

01/28/1992

RPI 1104

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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