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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8205557

Type

Invention Patent

Filing

09/22/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing09/22/82
  2. Publication04/17/84
  3. Examination09/04/84
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kotobuki & Co., Ltd.

JP

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Conhecimento de parecer técnico

#7.1

04/22/1986

RPI 809

6.2

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

Patente extinta em 22/09/97

07/01/2008

RPI 1956

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