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Official data from INPI

PROCESSO E DISPOSICAO DE CIRCUITO PARA PROGRAMACAO E/OU MODIFICACAO DE PROGRAMA DE MAQUINAS NUMERICAMENTE CONTROLADAS

ConcedidaInvention Patent

Application data

Number

PI8004479

Type

Invention Patent

Filing

07/20/1979

Publication

-

Progress at the INPI

  1. Filing07/20/79
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant03/27/84
  6. Terminated08/02/94

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEIDENHAIN GMBH DR JOHANNES

Inventors

R. M. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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