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Official data from INPI

CELULA DE EXIBICAO OPTICA E UM PROCESSO PARA SUA FABRICAO

Em AnáliseInvention Patent

Application data

Number

PI8107316

Type

Invention Patent

Filing

11/12/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing11/12/80
  2. Publication08/03/82
  3. Examination09/11/84
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Terminated11/16/88

The patent was granted on 10/01/1985 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORSK LCD AS [NO]

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

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