(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

Processo para a dessulfuração de uma carga de metal ferroso em fusão.

Em AnáliseInvention Patent

Application data

Number

PI8603433

Type

Invention Patent

Filing

07/21/1986

Publication

03/04/1987

Progress at the INPI

  1. Filing07/21/86
  2. Publication03/04/87
  3. Examination06/06/89
  4. Allowance
  5. Grant
  6. In force

Published on 03/04/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Armco, Inc.

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

A. S. (pessoa física)

US

D. K. (pessoa física)

L. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

758.516 · 07/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/06/1989

RPI 972

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Retificação

#15.3

03/09/1993

RPI 1162

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.