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

INSTALAÇÃO DE CARGA DE UM FORNO DE CUBA

PublicadaInvention Patent
Talk to an expert

Application data

Number

PI8701359

Type

Invention Patent

Filing

02/27/1987

Publication

12/29/1987
View on INPI

Progress at the INPI

  1. Filing02/27/87
  2. Publication12/29/87
  3. Examination06/19/90
  4. Allowance01/22/91
  5. Grant08/27/91
  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: 12/29/1987. 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

E. L. (pessoa física)

LU

G. S. (pessoa física)

LU

Technical data

IPC Classification

F27B 1/20F27D 3/10

Priority claims

LU

86 336 · 03/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 27/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/22/1991

RPI 1051

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

Related

Patent monitoring

Track this patent in real time.

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