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Official data from INPI

EXTRATOR DE AMOSTRAS PARA FUSÃO DE METAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101081

Type

Invention Patent

Filing

03/20/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/20/91
  2. Publication11/05/91
  3. Examination10/05/93
  4. Allowance06/27/95
  5. Grant01/30/96
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electro-Nite International N.V

BE

Inventors

C. B. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

DE

P 40 09 167.8 · 03/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/03/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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