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Official data from INPI

SERVOCONTROLE SETORIZADO INDEPENDENTE DE ARQUITETURA DE DADOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100034

Type

Invention Patent

Filing

01/07/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/07/91
  2. Publication10/22/91
  3. Examination12/07/93
  4. Allowance11/23/99
  5. Grant05/16/00
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hitachi Global Storage Technologies Netherlands B.V.

NL

I. C. (pessoa física)

US

Inventors

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

466,194 · 01/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/01/2011

05/28/2013

RPI 2212

Transferência deferida

#25.1

Transferido de: International Business Machines Corporation

07/19/2005

RPI 1802

Concessão da patente

#16.1

05/16/2000

RPI 1532

Deferimento

#9.1

11/23/1999

RPI 1507

Exigência - art. 36 da LPI

#6.1

06/15/1999

RPI 1484

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

12/07/1993

RPI 1201

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

07/30/1991

RPI 1078

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