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Official data from INPI

PROCESSO PARA A PRODUCAO DE 2,3-DIIDRO-5,6-DIFENIL-1,4-OXATILINA

ArquivadaInvention Patent

Application data

Number

PI8102387

Type

Invention Patent

Filing

05/02/1980

Publication

01/12/1982

Progress at the INPI

  1. Filing05/02/80
  2. Publication01/12/82
  3. Examination01/31/84
  4. Allowance08/13/85
  5. Abandoned
  6. In force

The application was allowed on 08/13/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL LTD

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Inventors

F. E. (pessoa física)

G. B. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

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