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Official data from INPI

ARRANJO DE CIRCUITO PARA PROTEGER UM RESTAURADOR ELETRONICO DE SINALIZACAO

Em AnáliseInvention Patent

Application data

Number

PI7703971

Type

Invention Patent

Filing

07/07/1976

Publication

-

Progress at the INPI

  1. Filing07/07/76
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant09/27/83
  6. Terminated12/15/87

The patent was granted on 09/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS SPA ITALIANA

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Inventors

L. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

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