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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8007892

Type

Invention Patent

Filing

12/02/1980

Publication

-

Progress at the INPI

  1. Filing12/02/80
  2. Publication
  3. Examination
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Terminated03/12/96

The patent was granted on 04/30/1985 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippon Shokubai Kagaku Kogyo Co., LTD

JP

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Inventors

N. I. (pessoa física)

T. S. (pessoa física)

Y. A. (pessoa física)

Y. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

6.2

12/07/1982

RPI 633

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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