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Official data from INPI

PROCESSO E DISPOSITIVO PARA A DETERMINAÇÃO DA QUALIDADE ÓTICA DE UMA PLACA TRANSPARENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104819

Type

Invention Patent

Filing

11/05/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/05/91
  2. Publication06/23/92
  3. Examination04/20/93
  4. Allowance07/11/95
  5. Grant03/26/96
  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

F. A. (pessoa física)

DE

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Inventors

J. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 35 168.8 · 11/06/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/11/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

11/21/1995

RPI 1303

Deferimento

#9.1

07/11/1995

RPI 1284

Solicitação de exame técnico

#4.1

04/20/1993

RPI 1168

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/10/1991

RPI 1097

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