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Official data from INPI

COMPONENTE ELETRICO APERFEICOADO PARA USO EM FUSIVEL DE ACAO RETARDADA E EM FUSIVEL DE ACAO RETARDADA APERFEICOADO

Em AnáliseInvention Patent
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Application data

Number

PI7602678

Type

Invention Patent

Filing

04/30/1976

Publication

-
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Progress at the INPI

  1. Filing04/30/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/11/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAN O IND CO

Inventors

A. H. (pessoa física)

M. M. (pessoa física)

Technical data

IPC Classification

H01H 85/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

03/11/1986

RPI 803

20.7

03/04/1986

RPI 802

20.7

02/18/1986

RPI 800

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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