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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE LENTE DE CONTATO COLORIDA E LENTE DE CONTATO CAPAZ DE MODIFICAR A COR PERCEPTÍVEL DA ÍRIS DO USUÁRIO, OBTIDA PELO DITO PROCESSO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8904333

Type

Invention Patent

Filing

08/29/1989

Publication

04/17/1990
View on INPI

Progress at the INPI

  1. Filing08/29/89
  2. Publication04/17/90
  3. Examination04/21/92
  4. Allowance05/04/99
  5. Grant09/08/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. S. (pessoa física)

AR

Inventors

T. P. (pessoa física)

AR

Technical data

IPC Classification

B29D 11/00G02C 7/04

Priority claims

AR

311.845 · 09/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/09/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

09/08/1999

RPI 1496

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

05/05/1998

RPI 1428

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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