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Official data from INPI

Processo para construir uma lente para focalizar a luz sobre a retina do olho

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102977

Type

Invention Patent

Filing

07/12/1991

Publication

02/11/1992

Progress at the INPI

  1. Filing07/12/91
  2. Publication02/11/92
  3. Examination05/03/94
  4. Allowance03/19/96
  5. Grant04/29/97
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

J. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

557.261 · 07/24/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/07/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

11/14/1995

RPI 1302

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Solicitação de exame técnico

#4.1

05/03/1994

RPI 1222

Publicação do pedido de patente

#3.1

02/11/1992

RPI 1106

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