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Official data from INPI

PROCESSO PARA FABRICAR UM GRAMPO NA FORMA DE C DUPLO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103374

Type

Invention Patent

Filing

08/06/1991

Publication

05/05/1992

Progress at the INPI

  1. Filing08/06/91
  2. Publication05/05/92
  3. Examination05/24/94
  4. Allowance03/11/97
  5. Grant11/25/97
  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

Everts En Van Der Weijden Exploitatiemaatschappij Ewem B.V.

NL

Inventors

A. H. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

NL

9001783 · 08/07/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/25/1997

RPI 1408

Notificação para pagamento de retribuição

#13.1

10/14/1997

RPI 1402

Deferimento

#9.1

03/11/1997

RPI 1371

Solicitação de exame técnico

#4.1

05/24/1994

RPI 1225

Publicação do pedido de patente

#3.1

05/05/1992

RPI 1118

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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