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Official data from INPI

LENTE DE CONTATO FLEXÍVEL E PROCESSO PARA SUA PRODUÇÃO

PublicadaInvention Patent

Application data

Number

PI8900693

Type

Invention Patent

Filing

02/17/1989

Publication

10/10/1989

Progress at the INPI

  1. Filing02/17/89
  2. Publication10/10/89
  3. Examination10/16/90
  4. Allowance12/07/93
  5. Grant06/28/94
  6. Terminated12/31/96

The patent was granted on 06/28/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bausch & Lomb Incorporated

US

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Inventors

H. K. (pessoa física)

US

K. A. (pessoa física)

US

S. Z. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

157.014 · 02/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/26/1994

RPI 1221

Deferimento

#9.1

12/07/1993

RPI 1201

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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