(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

ANEL PARA IMPLANTE CORNEANO INTRAMELAR NA CORREÇÃO DE AMETROPIAS

Em AnáliseInvention Patent

Application data

Number

PI8705060

Type

Invention Patent

Filing

08/25/1987

Publication

03/21/1989

Progress at the INPI

  1. Filing08/25/87
  2. Publication03/21/89
  3. Examination10/24/89
  4. Allowance08/27/91
  5. Grant03/30/93
  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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto Brasileiro de Microcirurgia Ocular

MG, BR

Inventors

P. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

03/21/1989

RPI 961

Pedido de patente depositado

#2.1

10/11/1988

RPI 938

Carta-patente expirada

#21.1

Patente extinta em 25/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Retificação

#15.6

12/08/1992

RPI 1149

Alteração de numeração

#15.1

06/16/1992

RPI 1124

Deferimento

#9.1

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.