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Official data from INPI

DISPOSITIVO PARA DETECTAR NIVEL DE METAL DERRETIDO EM MOLDE RESFRIADO POR AGUA

Em AnáliseInvention Patent

Application data

Number

PI7808340

Type

Invention Patent

Filing

12/20/1977

Publication

-

Progress at the INPI

  1. Filing12/20/77
  2. Publication
  3. Examination09/21/82
  4. Allowance09/06/83
  5. Grant03/27/84
  6. Terminated06/14/88

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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. I. (pessoa física)

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Inventors

K. M. (pessoa física)

M. T. (pessoa física)

T. Y. (pessoa física)

U. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/27/1984

RPI 701

Deferimento

#9.1

09/06/1983

RPI 672

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

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