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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE VIDROS DE LENTES OFTÁLMICAS

PublicadaInvention Patent

Application data

Number

PI8804084

Type

Invention Patent

Filing

08/12/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/12/88
  2. Publication03/07/89
  3. Examination06/11/91
  4. Allowance12/20/94
  5. Grant07/25/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. W. (pessoa física)

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

FR

J. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8711586 · 08/14/1987

US

190.839 · 05/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Carta-patente expirada

#21.1

Patente extinta em 12/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Deferimento

#9.1

12/20/1994

RPI 1255

Conhecimento de parecer técnico

#7.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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