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Official data from INPI

MESA DE ROLOS DE COMPRIMENTO VARIÁVEL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004866

Type

Invention Patent

Filing

09/24/1990

Publication

03/31/1992

Progress at the INPI

  1. Filing09/24/90
  2. Publication03/31/92
  3. Examination07/20/93
  4. Allowance03/14/95
  5. Grant09/26/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Coordinamento Pneumatici SpA

IT

See this company's full portfolio

Inventors

C. L. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21.799 A/89 · 09/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/09/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

03/31/1992

RPI 1113

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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