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Official data from INPI

APERFEIÇOAMENTOS NOS TALÕES DOS PNEUMÁTICOS PARA RODAS DE VEÍCULOS

PublicadaInvention Patent

Application data

Number

PI8802138

Type

Invention Patent

Filing

04/28/1988

Publication

12/06/1988

Progress at the INPI

  1. Filing04/28/88
  2. Publication12/06/88
  3. Examination06/19/90
  4. Allowance10/08/91
  5. Grant05/26/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Coordinamento Pneumatici SpA

IT

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Inventors

L. M. (pessoa física)

IT

P. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20203 A/87 · 04/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/06/1988

RPI 946

Pedido de patente depositado

#2.1

09/20/1988

RPI 935

Carta-patente expirada

#21.1

Patente extinta em 28/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/26/1992

RPI 1121

Deferimento

#9.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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