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Official data from INPI

FECHADURA OPERADA POR CHAVE MAGNÉTICA

Prazo de SigiloInvention Patent

Application data

Number

PI8900644

Type

Invention Patent

Filing

02/14/1989

Publication

10/02/1990

Progress at the INPI

  1. Filing02/14/89
  2. Publication10/02/90
  3. Examination03/12/91
  4. Allowance01/07/97
  5. Grant08/26/97
  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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schulte-Schlagbaum Ag

DE

Inventors

A. E. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 14/02/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/07/1997

RPI 1362

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação do pedido de patente

#3.1

10/02/1990

RPI 1035

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