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Official data from INPI

PROCESSO PARA POLIR LENTES DE CONTATO HIDRÓFILAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100608

Type

Invention Patent

Filing

02/15/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/15/91
  2. Publication10/29/91
  3. Examination06/23/92
  4. Allowance11/03/98
  5. Grant10/19/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bausch & Lomb Incorporated

US

See this company's full portfolio

Inventors

R. D. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

481.029 · 02/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/02/2011

05/28/2013

RPI 2212

Alteração de sede deferida

#25.7

Alterada a sede conforme solicitado na petição024298/RJ de 14/07/00.

10/24/2000

RPI 1555

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

11/03/1998

RPI 1452

Exigência - art. 36 da LPI

#6.1

10/14/1997

RPI 1402

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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