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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8003545

Type

Invention Patent

Filing

06/06/1980

Publication

-

Progress at the INPI

  1. Filing06/06/80
  2. Publication
  3. Examination
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shionogi & Co., Ltd.

JP

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Inventors

H. M. (pessoa física)

K. T. (pessoa física)

M. O. (pessoa física)

T. T. (pessoa física)

Y. W. (pessoa física)

Pessoa física

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

10/17/1989

RPI 991

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

6.2

11/16/1982

RPI 630

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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