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Official data from INPI

APERFEIÇOAMENTOS NOS DESENHOS DA BANDA DE RODAGEM DE PNEUS PARA VEÍCULOS AUTOMOTORES

ConcedidaInvention Patent

Application data

Number

PI8502524

Type

Invention Patent

Filing

05/28/1985

Publication

10/15/1985

Progress at the INPI

  1. Filing05/28/85
  2. Publication10/15/85
  3. Examination06/17/86
  4. Allowance12/06/88
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Coordinamento Pneumatici S.p.A., industrial e comercial

IT

Inventors

G. G. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21.206 A/84 · 06/01/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Publicação antecipada

#3.2

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Carta-patente expirada

#21.1

Patente extinta em 28/05/2000

07/15/2008

RPI 1958

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