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Official data from INPI

Disposição de circuito para o acionamento de uma chave eletromagnética.

ConcedidaInvention Patent

Application data

Number

PI8007944

Type

Invention Patent

Filing

12/04/1980

Publication

-

Progress at the INPI

  1. Filing12/04/80
  2. Publication
  3. Examination08/02/83
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated03/12/96

The patent was granted on 07/31/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

H. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 48 959.6 · 12/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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