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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8302297

Type

Invention Patent

Filing

04/29/1983

Publication

01/03/1984

Progress at the INPI

  1. Filing04/29/83
  2. Publication01/03/84
  3. Examination03/27/84
  4. Allowance07/02/85
  5. Grant12/31/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Coordinamento Pneumatici SpA

IT

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Inventors

B. P. (pessoa física)

V. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/01/1989

RPI 980

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 29/04/98

07/01/2008

RPI 1956

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