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Official data from INPI

PATIM DE ROLOS PARA CARGAS DE GRANDE PORTE

PublicadaInvention Patent

Application data

Number

PI8704762

Type

Invention Patent

Filing

09/15/1987

Publication

03/21/1989

Progress at the INPI

  1. Filing09/15/87
  2. Publication03/21/89
  3. Examination08/20/91
  4. Allowance03/09/93
  5. Grant09/28/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Furnas Centrais Elétricas S.A

RJ, BR

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Inventors

P. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/21/1989

RPI 961

Pedido de patente depositado

#2.1

11/24/1987

RPI 892

Carta-patente expirada

#21.1

Patente extinta em 15/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

07/06/1993

RPI 1179

Deferimento

#9.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

08/04/1992

RPI 1131

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Solicitação de exame não realizada

#4.2

04/16/1991

RPI 1063

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