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Official data from INPI

SISTEMA DE GARRAS PARA FIXAÇÃO DE CATÁLOGOS E AFINS

ConcedidaInvention Patent

Application data

Number

PI8204027

Type

Invention Patent

Filing

07/12/1982

Publication

09/28/1982

Progress at the INPI

  1. Filing07/12/82
  2. Publication09/28/82
  3. Examination11/30/82
  4. Allowance07/14/87
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações de São Paulo S/A - Telesp

SP, BR

See this company's full portfolio

Inventors

A. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

10/21/1986

RPI 835

Exigência - art. 36 da LPI

#6.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

11/30/1982

RPI 632

Publicação antecipada

#3.2

09/28/1982

RPI 623

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

Patente extinta em 12/07/97

07/01/2008

RPI 1956

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