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Official data from INPI

FERRAMENTA PARA USINAR METAL

ConcedidaInvention Patent
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Application data

Number

PI8403627

Type

Invention Patent

Filing

07/20/1984

Publication

07/02/1985
View on INPI

Progress at the INPI

  1. Filing07/20/84
  2. Publication07/02/85
  3. Examination08/18/87
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Barber-Colman Company

US

Inventors

E. H. (pessoa física)

US

Technical data

IPC Classification

B23C 5/02

Priority claims

US

515795 · 07/21/1983

US

615775 · 05/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 20/07/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

01/16/1996

RPI 1311

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

14.1

03/06/1990

RPI 1008

14.1

03/01/1990

RPI 1007

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