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Official data from INPI

FORNO A ARCO-CORRENTE CONTÍNUA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004099

Type

Invention Patent

Filing

08/20/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/20/90
  2. Publication09/03/91
  3. Examination11/05/91
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asea Brown Boveri AG

CH

Concast Standard AG

CH

See this company's full portfolio

Inventors

A. E. (pessoa física)

CH

S. S. (pessoa física)

CH

W. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

3027/89 · 08/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/08/2005

06/01/2010

RPI 2056

Transferência deferida

#25.1

Trnasferido de Asea Brown Boveri AG.

06/19/2001

RPI 1589

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/17/1994

RPI 1224

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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