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Official data from INPI

EQUIPAMENTO PARA GERENCIAMENTO DE UM ENLACE SERIAL EM UM SISTEMA DE E/S

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103524

Type

Invention Patent

Filing

08/16/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/16/91
  2. Publication05/12/92
  3. Examination05/10/94
  4. Allowance02/22/00
  5. Grant07/11/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

K. F. (pessoa física)

US

K. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

575,923 · 08/31/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 16/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

02/22/2000

RPI 1520

Exigência - art. 36 da LPI

#6.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

02/09/1999

RPI 1466

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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