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Official data from INPI

PROCESSO PARA A FORMAÇÃO DE PNEUS A QUENTE

PublicadaInvention Patent

Application data

Number

PI8702543

Type

Invention Patent

Filing

05/19/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/19/87
  2. Publication02/23/88
  3. Examination11/13/90
  4. Allowance01/10/95
  5. Grant07/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bridgestone/Firestone, Inc.

US

See this company's full portfolio

Inventors

K. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67 413-A/86 · 05/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 19/05/2002

07/29/2008

RPI 1960

14.4

11/07/1995

RPI 1301

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/30/1995

RPI 1278

Deferimento

#9.1

01/10/1995

RPI 1258

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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