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Official data from INPI

COMPOSTO QUIMICO HETEROCICLICO 6-FENIL-(1,2,3)-OXADIAZOL-(4,5-D)-PIRI DIZINA-7-(6H)-ONA E PROCESSO PARA OBTENCAO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI7904763

Type

Invention Patent

Filing

07/28/1978

Publication

-

Progress at the INPI

  1. Filing07/28/78
  2. Publication
  3. Examination05/11/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXON ITALIA SPA

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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