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

DISPOSITIVO DE COMANDO DO MOVIMENTO DE UM CONDUTO OSCILANTE E INSTALAÇÃO DE CARREGAMENTO DE UM FORNO DE CUBA

ConcedidaInvention Patent

Application data

Number

PI8202579

Type

Invention Patent

Filing

05/05/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/05/82
  2. Publication04/19/83
  3. Examination06/18/85
  4. Allowance01/17/89
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Paul Wurth S.A.

LU

See this company's full portfolio

Inventors

E. L. (pessoa física)

LU

P. M. (pessoa física)

LU

Technical data

IPC Classification

Priority claims

LU

83.370 · 05/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Carta-patente expirada

#21.1

Patente extinta em 05/05/97

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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