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Official data from INPI

DISPOSITIVO DE TRANSFORMACAO MAGNETICA DE DETECCAO DE INFORMACOES MAGNETICAS CODIFICADAS,E PROCESSO DE FABRICACAO DO REFERIDO DISPOSITIVO

ConcedidaInvention Patent

Application data

Number

PI7802558

Type

Invention Patent

Filing

04/29/1977

Publication

-

Progress at the INPI

  1. Filing04/29/77
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant04/30/85
  6. Terminated01/28/92

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. B. (pessoa física)

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Inventors

H. M. (pessoa física)

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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