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Official data from INPI

DISPOSITIVO COM SEMICONDUTOR DE DOIS TERMINAIS E PROCESSO PARA SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8403468

Type

Invention Patent

Filing

07/11/1984

Publication

06/25/1985

Progress at the INPI

  1. Filing07/11/84
  2. Publication06/25/85
  3. Examination12/08/87
  4. Allowance06/20/89
  5. Grant02/06/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SGS Microelettronica SpA

IT

Inventors

F. B. (pessoa física)

IT

M. F. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

22338 A/83 · 07/29/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/17/1989

RPI 991

Deferimento

#9.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

14.4

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Carta-patente expirada

#21.1

Patente extinta em 11/07/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

02/06/1990

RPI 1005

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