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Official data from INPI

INSTALAÇÃO DE FECHAMENTO

Arquivada/ExtintaInvention PatentPCT · CH1991000010
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Application data

Number

PI9103970

Type

Invention Patent

Filing

01/11/1991

Publication

03/03/1992

PCT

CH1991000010
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Progress at the INPI

  1. Filing01/11/91
  2. Publication03/03/92
  3. Examination10/19/93
  4. Allowance01/21/97
  5. Grant10/28/97
  6. Expired06/11/13

The letters patent expired on 06/11/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/11/2013. 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

E05B 19/00E05B 27/00

Priority claims

CH

144/90-9 · 01/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 11/01/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

10/28/1997

RPI 1404

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/21/1997

RPI 1364

Solicitação de exame técnico

#4.1

10/19/1993

RPI 1194

Notificação de entrada na fase nacional - PCT

#1.3

03/03/1992

RPI 1109

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