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Official data from INPI

sistema de controle para máquina-ferramenta e processo de usinagem de peça de trabalho.

ConcedidaInvention Patent

Application data

Number

PI8403072

Type

Invention Patent

Filing

06/22/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/22/84
  2. Publication05/28/85
  3. Examination10/29/85
  4. Allowance08/11/87
  5. Grant03/29/88
  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.

Talk to a specialist

Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AE PLC.

GB

See this company's full portfolio

Inventors

R. W. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

83.19892 · 07/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/28/1984

RPI 723

Carta-patente expirada

#21.1

Patente extinta em 22/06/99

07/08/2008

RPI 1957

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