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Official data from INPI

DISPOSITIVO DE ACOPLAMENTO DE HASTE DE PERFURAÇÃO DE ORIFICIO DE ESCOAMENTO DE FORNO DE CUBA PARA FERRAMENTA DE TRABALHO DE MÁQUINA DE PERFURAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003153

Type

Invention Patent

Filing

06/28/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing06/28/90
  2. Publication08/27/91
  3. Examination09/21/93
  4. Allowance06/28/94
  5. Grant03/28/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Paul Wurth S/A

LU

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Inventors

J. M. (pessoa física)

LU

S. V. (pessoa física)

LU

Technical data

IPC Classification

Priority claims

LU

87546 · 06/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/06/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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