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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UMA ISOTIOURÉIA S-SUBSTITUÍDA.

Em AnáliseInvention Patent

Application data

Number

PI8503404

Type

Invention Patent

Filing

07/17/1985

Publication

04/08/1986

Progress at the INPI

  1. Filing07/17/85
  2. Publication04/08/86
  3. Examination06/21/88
  4. Allowance03/02/93
  5. Grant08/31/93
  6. Terminated05/21/96

The patent was granted on 08/31/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

D. J. (pessoa física)

US

D. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

632.136 · 07/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

14.4

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

04/08/1986

RPI 807

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

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