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

APROVEITAMENTO DO GAS POBRE DOS ALTOS FORNOS SIDERURGICOS COMO COMBUSTIVEL PARA FORNOS DE CALCINACAO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8405514

Type

Invention Patent

Filing

10/16/1984

Publication

05/20/1986
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing10/16/84
  2. Publication05/20/86
  3. Examination03/29/88
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICAL IND DE CALCINACAO S A [BR]

Inventors

G. P. (pessoa física)

Technical data

IPC Classification

C21B 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Retificação

#15.6

12/29/1987

RPI 897

Retificação

#15.3

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

05/20/1986

RPI 813

Pedido de patente depositado

#2.1

01/15/1985

RPI 743

Retificação

#15.3

09/17/1991

RPI 1085

15.5

03/26/1991

RPI 1060

Conhecimento de parecer técnico

#7.1

05/22/1990

RPI 1019

Related

Patent monitoring

Track this patent in real time.

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