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Official data from INPI

DISPOSITIVO DE VEDAÇÃO PARA CONDUTORES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101423

Type

Invention Patent

Filing

04/03/1991

Publication

06/16/1992

Progress at the INPI

  1. Filing04/03/91
  2. Publication06/16/92
  3. Examination01/12/93
  4. Allowance01/05/99
  5. Grant08/10/99
  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

Leopold Kostal GmbH & Co. Kg

DE

See this company's full portfolio

Inventors

U. O. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 38 062.9 · 11/29/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

08/10/1999

RPI 1492

Deferimento

#9.1

01/05/1999

RPI 1461

Solicitação de exame técnico

#4.1

01/12/1993

RPI 1154

Publicação do pedido de patente

#3.1

06/16/1992

RPI 1124

Pedido de patente depositado

#2.1

10/08/1991

RPI 1088

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