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Official data from INPI

DISPOSICAO DE CIRCUITO PARA A PROTECAO DE INSTALACOES ELETRONICAS DE TRANSMISSAO E DE RECEPCAO CONTRA SOBRECORRENTES

Em AnáliseInvention Patent

Application data

Number

PI7901694

Type

Invention Patent

Filing

03/20/1978

Publication

-

Progress at the INPI

  1. Filing03/20/78
  2. Publication
  3. Examination11/10/81
  4. Allowance12/07/82
  5. Grant06/28/83
  6. Terminated05/17/88

The patent was granted on 06/28/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS AG

See this company's full portfolio

Inventors

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

15.0

06/29/1982

RPI 610

Exigência - art. 36 da LPI

#6.1

06/29/1982

RPI 610

Solicitação de exame técnico

#4.1

11/10/1981

RPI 577

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