(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PRODUÇÃO DE FERRO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8701060

Type

Invention Patent

Filing

03/06/1987

Publication

12/22/1987
View on INPI

Progress at the INPI

  1. Filing03/06/87
  2. Publication12/22/87
  3. Examination09/20/88
  4. Allowance03/01/95
  5. Grant11/28/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Klockner Cra Patent GmbH

DE

Inventors

D. T. (pessoa física)

AU

D. B. (pessoa física)

DE

J. M. (pessoa física)

DE

Technical data

IPC Classification

C21B 13/00

Priority claims

DE

P 36 07 776.3 · 03/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Carta-patente expirada

#21.1

Patente extinta em 06/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/28/1995

RPI 1304

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Deferimento

#9.1

03/01/1995

RPI 1265

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

Exigência - art. 36 da LPI

#6.1

09/21/1993

RPI 1190

14.1

03/01/1990

RPI 1007

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.