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

PROCESSO PARA A ABERTURA DE MINÉRIOS

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8703766

Type

Invention Patent

Filing

07/20/1987

Publication

01/31/1989
View on INPI

Progress at the INPI

  1. Filing07/20/87
  2. Publication01/31/89
  3. Examination10/24/89
  4. Allowance02/21/96
  5. Grant10/29/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mamoré Mineração e Metalurgia Ltda

SP, BR

M. A. (pessoa física)

SP, BR

Inventors

E. F. (pessoa física)

BR

Technical data

IPC Classification

C22B 3/06C22B 3/26

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 20/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/29/1996

RPI 1352

Republicação - classificação IPC

#15.11

10/01/1996

RPI 1348

Deferimento

#9.1

02/21/1996

RPI 1316

Exigência - art. 36 da LPI

#6.1

08/09/1994

RPI 1236

Related

Patent monitoring

Track this patent in real time.

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