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Official data from INPI

CABO DE COMUNICAÇÕES, MÉTODO DE FORMAÇÃO DO MESMO E MÉTODO DE FORMAÇÃO DE UMA CONEXÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103075

Type

Invention Patent

Filing

07/18/1991

Publication

04/28/1992

Progress at the INPI

  1. Filing07/18/91
  2. Publication04/28/92
  3. Examination11/24/92
  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

Comm/Scope, Inc.

US

Inventors

C. S. (pessoa física)

US

P. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

555.160 · 07/18/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/07/2011

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

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

04/28/1992

RPI 1117

Pedido de patente depositado

#2.1

11/19/1991

RPI 1094

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