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Official data from INPI

DISPOSITIVO DE DESLOCAMENTO DE SONDA DE FORNO DE CUBA

Em AnáliseInvention Patent

Application data

Number

PI8604795

Type

Invention Patent

Filing

09/26/1986

Publication

06/30/1987

Progress at the INPI

  1. Filing09/26/86
  2. Publication06/30/87
  3. Examination10/31/89
  4. Allowance05/25/93
  5. Grant04/26/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Paul Wurth S.A

LU

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Inventors

E. L. (pessoa física)

LU

P. M. (pessoa física)

LU

R. A. (pessoa física)

LU

V. K. (pessoa física)

LU

Technical data

IPC Classification

Priority claims

LU

86.100 · 09/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 26/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/26/1994

RPI 1221

Notificação para pagamento de retribuição

#13.1

09/28/1993

RPI 1191

Deferimento

#9.1

05/25/1993

RPI 1173

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