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Official data from INPI

DISPOSITIVO TENSOR PARA CORRENTES.

ConcedidaInvention Patent

Application data

Number

PI7908470

Type

Invention Patent

Filing

12/21/1979

Publication

-

Progress at the INPI

  1. Filing12/21/79
  2. Publication
  3. Examination11/24/81
  4. Allowance02/16/83
  5. Grant07/26/83
  6. Terminated04/26/94

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eisen - Und Drahtwerk Erlalu Aktiengesellschaft

DE

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 55 989.9 · 12/23/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

04/26/1994

RPI 1221

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