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Official data from INPI

CONJUNTO DE CRIVO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000494

Type

Invention Patent

Filing

02/05/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/05/90
  2. Publication01/15/91
  3. Examination06/15/93
  4. Allowance04/22/98
  5. Grant11/24/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bridgestone/Firestone, Inc.

US

See this company's full portfolio

Inventors

A. R. (pessoa física)

US

C. S. (pessoa física)

US

G. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

305.688 · 02/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/02/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/22/1998

RPI 1426

6.2

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

04/24/1990

RPI 1015

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