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Official data from INPI

BROCA PARA PERFURACAO DE METAIS

ConcedidaInvention Patent

Application data

Number

PI8405865

Type

Invention Patent

Filing

11/17/1983

Publication

09/17/1985

Progress at the INPI

  1. Filing11/17/83
  2. Publication09/17/85
  3. Examination10/13/87
  4. Allowance06/21/88
  5. Grant02/28/89
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANDVIK AB [SE]

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

02/05/1985

RPI 746

Carta-patente expirada

#21.1

Patente extinta em 16/11/99

08/19/2008

RPI 1963

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