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Official data from INPI

CÉLULA SÓLIDA PARA ARMAZENAMENTO DE HIDROGÊNIO E SEUS ISÓTOPOS E MÉTODO DE FABRICAÇÃO DA MESMA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8902606

Type

Invention Patent

Filing

05/18/1989

Publication

11/20/1990

Progress at the INPI

  1. Filing05/18/89
  2. Publication11/20/90
  3. Examination02/05/91
  4. Allowance11/10/98
  5. Grant07/27/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

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Inventors

C. M. (pessoa física)

BR

F. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

11/10/1998

RPI 1453

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

Publicação do pedido de patente

#3.1

11/20/1990

RPI 1042

Pedido de patente depositado

#2.1

06/26/1990

RPI 1024

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