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Official data from INPI

DISPOSITIVO PARA O AMORTECIMENTO DE OSCILAÇÕES TORCIONAIS MECÂNICAS DE UM GERADOR ELÉTRICO DE CORRENTE ALTERNADA.

ConcedidaInvention Patent

Application data

Number

PI8003514

Type

Invention Patent

Filing

06/04/1980

Publication

-

Progress at the INPI

  1. Filing06/04/80
  2. Publication
  3. Examination04/12/83
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

B. H. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

7904913-6 · 06/06/1979

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

04/12/1983

RPI 651

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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