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Official data from INPI

ANTENA DE MICROFITA COM RESPOSTA PLANA DE POTÊNCIA OPERANDO NA BANDA X

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004311

Type

Invention Patent

Filing

08/30/1990

Publication

03/24/1992

Progress at the INPI

  1. Filing08/30/90
  2. Publication03/24/92
  3. Examination05/24/94
  4. Allowance03/19/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade Estadual de Campinas - Unicamp

SP, BR

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Inventors

A. G. (pessoa física)

BR

C. J. (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 30/08/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

05/24/1994

RPI 1225

Publicação do pedido de patente

#3.1

03/24/1992

RPI 1112

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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