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Official data from INPI

MODELADOR DE CONTRAFORTE; E PROCESSO PARA MODELAR CONTRAFORTE DE UM CONJUNTO DE EMPENHA DE CALÇADO

PublicadaInvention Patent

Application data

Number

PI8901923

Type

Invention Patent

Filing

04/24/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/24/89
  2. Publication11/28/89
  3. Examination04/09/91
  4. Allowance08/17/93
  5. Grant03/29/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

M. B. (pessoa física)

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

186.417 · 04/26/1988

US

278.983 · 12/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 24/04/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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