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Official data from INPI

CHAVE E CILINDRO DE FECHO ROTATIVO PARA UMA FECHADURA DE SEGURANÇA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103533

Type

Invention Patent

Filing

08/16/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/16/91
  2. Publication05/12/92
  3. Examination04/19/94
  4. Allowance10/14/97
  5. Grant11/24/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. K. (pessoa física)

CH

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Inventors

E. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

2727/90 · 08/22/1990

CH

98/91 · 01/15/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 16/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

10/14/1997

RPI 1402

Solicitação de exame técnico

#4.1

04/19/1994

RPI 1220

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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