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Official data from INPI

CIRCUITO DE INTERFACE DE COMUNICAÇÃO E SISTEMA DE CONTROLE DIGITAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003523

Type

Invention Patent

Filing

07/20/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/20/90
  2. Publication08/27/91
  3. Examination10/19/93
  4. Allowance10/13/99
  5. Grant02/22/00
  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

Allen-Bradley Company, Inc

US

See this company's full portfolio

Inventors

J. E. (pessoa física)

US

S. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

383,492 · 07/24/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

10/13/1999

RPI 1501

Anulação de publicação (variante)

#15.22

Reconhecida a justa causa, concedido o prazo de 20 (vinte) dias a contar da data da publicação da RPI.

09/28/1999

RPI 1499

Exigência - art. 36 da LPI

#6.1

12/15/1998

RPI 1458

Solicitação de exame técnico

#4.1

10/19/1993

RPI 1194

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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