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Official data from INPI

PROCESSO PARA FABRICAÇÃO DE EIXOS DE RODA.

ConcedidaInvention Patent

Application data

Number

PI8104551

Type

Invention Patent

Filing

07/16/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing07/16/81
  2. Publication04/06/82
  3. Examination05/02/84
  4. Allowance05/12/87
  5. Grant05/31/88
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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

C. S. (pessoa física)

FR

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 16107 · 07/22/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

115

12/29/1987

RPI 897

Recurso

#12.1

09/01/1987

RPI 880

Deferimento

#9.1

05/12/1987

RPI 864

Exigência - art. 36 da LPI

#6.1

06/25/1985

RPI 766

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

16.3

11/17/1992

RPI 1146

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