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Official data from INPI

SISTEMA DE TELEFONIA SEMI-VIRTUAL

ArquivadaInvention Patent

Application data

Number

PI9703781

Type

Invention Patent

Filing

06/04/1997

Publication

12/29/1998

Progress at the INPI

  1. Filing06/04/97
  2. Publication12/29/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/04/1997 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/01/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. A. (pessoa física)

SP, BR

Inventors

T. A. (pessoa física)

BR

Technical data

Abstract

"SISTEMA DE TELEFONIA SEMI-VIRTUAL", compreendido por uma central de comutação especial que integrada a rede pública comutada, permite conversação direta entre usuários de telefonia virtual acoplada a serviço de rádio-chamada.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

06/01/2004

RPI 1743

Arquivamento - Art. 33 da LPI

#11.1

10/14/2003

RPI 1710

Publicação do pedido de patente

#3.1

12/29/1998

RPI 1460

Pedido de patente depositado

#2.1

10/14/1997

RPI 1402

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