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Official data from INPI

VÁLVULA DE ATENUAÇÃO PARA A EMBREAGEM DO EIXO DE TOMADA DE FORÇA DE UM TRATOR

DeferidaInvention Patent

Application data

Number

PI8502401

Type

Invention Patent

Filing

05/21/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing05/21/85
  2. Publication01/21/86
  3. Examination11/11/86
  4. Allowance09/12/89
  5. Grant05/29/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Valmet Oy

FI

See this company's full portfolio

Inventors

P. M. (pessoa física)

FI

T. V. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

84 2051 · 05/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

Solicitação de exame técnico

#4.1

11/11/1986

RPI 838

Publicação do pedido de patente

#3.1

01/21/1986

RPI 796

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Carta-patente expirada

#21.1

Patente extinta em 21/05/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

07/04/1995

RPI 1283

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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