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Official data from INPI

PROCESSO PARA PREPARAR ETILENO-GLICÓIS

Em AnáliseInvention Patent

Application data

Number

PI8403842

Type

Invention Patent

Filing

08/01/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/01/84
  2. Publication07/09/85
  3. Examination06/09/87
  4. Allowance09/25/90
  5. Grant03/26/91
  6. Terminated06/20/95

The patent was granted on 03/26/1991 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Scientific Design Company, Inc.

US

See this company's full portfolio

Inventors

H. G. (pessoa física)

US

V. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

519.653 · 08/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

10/10/1989

RPI 990

14.4

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

01/08/1991

RPI 1049

Deferimento

#9.1

09/25/1990

RPI 1034

Exigência - art. 36 da LPI

#6.1

04/24/1990

RPI 1015

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