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Official data from INPI

FECHADURA ELETRÔNICA COM TRAVA ACIONADA POR "FLIP FLOP" ELETROMAGNÉTICO E COM AS DUAS MAÇANETAS ATUANDO INDEPENDENTEMENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003756

Type

Invention Patent

Filing

07/26/1990

Publication

02/18/1992

Progress at the INPI

  1. Filing07/26/90
  2. Publication02/18/92
  3. Examination11/23/93
  4. Allowance10/06/98
  5. Grant12/29/98
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Signalcard Tecnologia Indústria e Comércio Ltda.

SP, BR

See this company's full portfolio

Inventors

N. B. (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 26/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

12/30/1997

RPI 1410

Solicitação de exame técnico

#4.1

11/23/1993

RPI 1199

Publicação do pedido de patente

#3.1

02/18/1992

RPI 1107

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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