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Official data from INPI

BALÃO EXPANSÍVEL PARA DESLOCAMENTOS DE RETINA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004310

Type

Invention Patent

Filing

08/30/1990

Publication

03/03/1992

Progress at the INPI

  1. Filing08/30/90
  2. Publication03/03/92
  3. Examination05/31/94
  4. Allowance02/06/96
  5. Grant02/25/97
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação E. J. Zerbini.

SP, BR

J. R. (pessoa física)

SP, BR

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Inventors

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/08/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

07/16/1996

RPI 1337

Deferimento

#9.1

02/06/1996

RPI 1314

4.1.2

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Publicação do pedido de patente

#3.1

03/03/1992

RPI 1109

14.1

12/17/1991

RPI 1098

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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