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Official data from INPI

APERFEICOAMENTO EM APARELHO PARA FAZER MOLDES E PROCESSO PARA O MESMO

ConcedidaInvention Patent

Application data

Number

PI7706224

Type

Invention Patent

Filing

10/13/1976

Publication

-

Progress at the INPI

  1. Filing10/13/76
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated08/28/90

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

NAT ENG CO

Inventors

R. L. (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

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

15.0

11/24/1981

RPI 579

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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