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Official data from INPI

Aparelho de vedação.

ConcedidaInvention Patent

Application data

Number

PI8005005

Type

Invention Patent

Filing

08/08/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing08/08/80
  2. Publication04/06/82
  3. Examination06/22/82
  4. Allowance09/06/83
  5. Grant03/27/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chugai Ro Kogyo Co., Ltd.

JP

Inventors

T. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/27/1983

RPI 688

Deferimento

#9.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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