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

OXIDAÇÃO SELETIVA DE CÁLCIO E ALUMINIO NAS LIGAS DE SILÍCIO, A PARTIR DE LIGAS DE SILÍCIO CONVENCIONAIS PRODUZIDO EM FORNO ELÉTRICO A ARCO

Em AnáliseInvention Patent

Application data

Number

PI8505718

Type

Invention Patent

Filing

11/14/1985

Publication

11/11/1986

Progress at the INPI

Under appeal
  1. Filing11/14/85
  2. Publication11/11/86
  3. Examination01/21/87
  4. Refused03/03/92
  5. Grant
  6. In force

The application was refused by the INPI on 03/03/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletrometalur S/A Indústria e Comércio

Rima Eletrometalurgia S/A

MG, BR

Inventors

V. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

01/21/1987

RPI 848

Publicação antecipada

#3.2

11/11/1986

RPI 838

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Republicação - classificação IPC

#15.11

07/28/1992

RPI 1130

Indeferimento

#9.2

03/03/1992

RPI 1109

Patent monitoring

Track this patent in real time.

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