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Official data from INPI

PROCESSO PARA O APASSIVAMENTO DE ELEMENTOS SEMI-CONDUTORES DE JUNCAO QUE SAO PARTE DE UMA PORCAO DE MATERIAL SEMI-CONDUTOR;E DISPOSITIVO SEMI-CONDUTOR

Em AnáliseInvention Patent

Application data

Number

PI7702277

Type

Invention Patent

Filing

04/14/1976

Publication

-

Progress at the INPI

  1. Filing04/14/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated10/23/90

The patent was granted 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. E. (pessoa física)

Inventors

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

07/28/1987

RPI 875

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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