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Official data from INPI

PROCESSO PARA FORMAR UMA IRIS COLORIDA NUMA LENTE DE CONTATO MACIA

PublicadaInvention Patent

Application data

Number

PI8707173

Type

Invention Patent

Filing

12/30/1987

Publication

01/10/1989

Progress at the INPI

  1. Filing12/30/87
  2. Publication01/10/89
  3. Examination01/08/91
  4. Allowance03/12/96
  5. Grant02/04/97
  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: 01/10/1989. 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

Priority claims

AR

308047 · 07/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

04/12/1988

RPI 912

Carta-patente expirada

#21.1

Patente extinta em 30/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

02/04/1997

RPI 1366

Deferimento

#9.1

03/12/1996

RPI 1319

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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