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Official data from INPI

DIQUE PARA DISSIPACAO DE ONDAS

Em AnáliseInvention Patent

Application data

Number

PI8108587

Type

Invention Patent

Filing

04/24/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing04/24/81
  2. Publication04/06/82
  3. Examination11/01/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IWASA NOBUHIKO [JP]

Inventors

I. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

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