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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM EXTENSÃO ELÉTRICA

Arquivada/ExtintaUtility Model

Application data

Number

MU7200042

Type

Utility Model

Filing

01/07/1992

Publication

04/21/1992

Progress at the INPI

  1. Filing01/07/92
  2. Publication04/21/92
  3. Examination08/11/92
  4. Allowance06/13/95
  5. Grant11/28/95
  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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. N. (pessoa física)

SP, BR

K. L. (pessoa física)

SP, BR

Inventors

K. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/01/2002

07/01/2008

RPI 1956

Transferência deferida

#25.1

Transferido de: Kyong Oh Lee

10/02/2001

RPI 1604

Concessão da patente

#16.1

11/28/1995

RPI 1304

Deferimento

#9.1

06/13/1995

RPI 1280

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação antecipada

#3.2

04/21/1992

RPI 1116

Pedido de patente depositado

#2.1

02/18/1992

RPI 1107

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