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Official data from INPI

FECHO AJUSTÁVEL.

Em AnáliseInvention Patent

Application data

Number

PI8107834

Type

Invention Patent

Filing

11/30/1981

Publication

09/08/1982

Progress at the INPI

  1. Filing11/30/81
  2. Publication09/08/82
  3. Examination11/09/82
  4. Allowance10/09/84
  5. Grant05/28/85
  6. Terminated03/19/96

The patent was granted on 05/28/1985 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

K. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

55.172992 · 12/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/16/1989

RPI 969

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Conhecimento de parecer técnico

#7.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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