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Official data from INPI

MATERIAL DE LIMPEZA PARA LENTES DE CONTATO DURAS; E PROCESSO DE LIMPEZA DE LENTES DE CONTATO DURAS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005665

Type

Invention Patent

Filing

11/08/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing11/08/90
  2. Publication09/17/91
  3. Examination12/28/93
  4. Allowance11/11/97
  5. Grant09/29/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bausch & Lomb Incorporated

US

P. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. E. (pessoa física)

US

M. C. (pessoa física)

US

Technical data

Priority claims

US

434.412 · 11/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/11/2010

05/21/2013

RPI 2211

Transferência deferida

#25.1

Transferido de: Polymer Technology Corporation.

07/06/2004

RPI 1748

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

10/08/1996

RPI 1349

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/23/1991

RPI 1064

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