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Official data from INPI

DISPOSITIVO DE FILTRAÇÃO DE VIBRAÇÕES E RUÍDOS

ConcedidaInvention Patent

Application data

Number

PI8204462

Type

Invention Patent

Filing

07/29/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/29/82
  2. Publication07/19/83
  3. Examination08/06/85
  4. Allowance06/09/87
  5. Grant12/29/87
  6. Terminated12/20/94

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. R. (pessoa física)

FR

Inventors

A. L. (pessoa física)

FR

J. L. (pessoa física)

FR

Technical data

Priority claims

FR

81 15743 · 08/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

05/27/1986

RPI 814

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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