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Official data from INPI

PROCESSO DE FABRICAÇÃO DE PRÓTESES DENTÁRIAS CERÂMICAS E PRÓTESES DENTÁRIAS OBTIDAS PELO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI8701674

Type

Invention Patent

Filing

04/09/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing04/09/87
  2. Publication01/12/88
  3. Examination10/18/88
  4. Allowance07/20/93
  5. Grant02/16/94
  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: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MichŠle Tyszblat

FR

Inventors

M. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

EP

86400781.0 · 04/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/18/1988

RPI 939

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 09/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

07/20/1993

RPI 1181

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