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Official data from INPI

PROCESSO PARA FUSÃO DE COBRE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105022

Type

Invention Patent

Filing

11/19/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/19/91
  2. Publication06/23/92
  3. Examination07/19/94
  4. Allowance12/01/98
  5. Grant06/29/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

JP

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Inventors

M. G. (pessoa física)

JP

N. K. (pessoa física)

JP

O. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

2 314671 · 11/20/1990

JP

2 314675 · 11/20/1990

JP

2 314682 · 11/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

07/19/1994

RPI 1233

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/24/1991

RPI 1099

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