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Official data from INPI

MEIO DE PROTECAO PARA LIGACAO NA TRASEIRA DE UM TRATOR

ConcedidaInvention Patent

Application data

Number

PI8300773

Type

Invention Patent

Filing

02/18/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing02/18/82
  2. Publication11/16/83
  3. Examination11/12/85
  4. Allowance06/09/87
  5. Grant11/24/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VALMET OY [FI]

Inventors

K. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

Patente extinta em 17/02/98

08/19/2008

RPI 1963

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