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Official data from INPI

MÉTODO PARA PROVER UM EIXO DE VEÍCULO MOTORIZADO

Em AnáliseInvention Patent

Application data

Number

PI8504381

Type

Invention Patent

Filing

09/11/1985

Publication

07/08/1986

Progress at the INPI

  1. Filing09/11/85
  2. Publication07/08/86
  3. Examination08/23/88
  4. Allowance06/13/89
  5. Grant03/20/90
  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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

E. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

652,247 · 09/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/10/1989

RPI 990

Deferimento

#9.1

06/13/1989

RPI 973

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

07/08/1986

RPI 820

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Carta-patente expirada

#21.1

Patente extinta em 11/09/2000

07/15/2008

RPI 1958

14.7

08/14/1990

RPI 1028

Concessão da patente

#16.1

03/20/1990

RPI 1010

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