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Official data from INPI

PROCESSO PARA A FORMAÇÃO DE UMA LIGA MULTICOMPONENTE PARA A ESTOCAGEM REVERSÍVEL DE HIDROGÊNIO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003562

Type

Invention Patent

Filing

07/23/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/23/90
  2. Publication08/27/91
  3. Examination09/21/93
  4. Allowance06/22/99
  5. Grant11/16/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Energy Conversion Devices, Inc.

US

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Inventors

M. F. (pessoa física)

US

Technical data

Priority claims

US

383,693 · 07/24/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

11/16/1999

RPI 1506

Deferimento

#9.1

06/22/1999

RPI 1485

Exigência - art. 36 da LPI

#6.1

01/05/1999

RPI 1461

6.2

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/29/1991

RPI 1052

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