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Official data from INPI

PECA DE INSERCAO PARA PROTEGER CONDUTORES ELETRICOS E PROCESSO PARA INSTALAR UM CONETOR DE CAPA PROTETORA NUM CABO

Arquivada/ExtintaInvention Patent

Application data

Number

PI7604235

Type

Invention Patent

Filing

06/30/1975

Publication

-

Progress at the INPI

  1. Filing06/30/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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.

Talk to a specialist

Latest action published by the INPI: 08/03/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PREFORMED LINE PRODUCTS CO

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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