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Official data from INPI

MOSTRADOR DE CRISTAL LÍQUIDO FERROELÉTRICO

Em AnáliseInvention Patent

Application data

Number

PI8405395

Type

Invention Patent

Filing

10/24/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/24/84
  2. Publication09/03/85
  3. Examination12/02/86
  4. Allowance04/02/91
  5. Grant10/29/91
  6. Terminated07/04/95

The patent was granted on 10/29/1991 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STC PLC

GB

Inventors

P. A. (pessoa física)

GB

W. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8328551 · 10/26/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

01/31/1989

RPI 954

11.8

09/27/1988

RPI 936

Arquivamento - Art. 36 §1° da LPI

#11.2

08/16/1988

RPI 930

14.1

11/17/1987

RPI 891

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/16/1991

RPI 1076

Deferimento

#9.1

04/02/1991

RPI 1061

Exigência - art. 36 da LPI

#6.1

12/11/1990

RPI 1045

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